Titration viva questions Aim of the Experiment. me/AparnabhardwajIn this video we will discuss how to prepare 250ml of M/20 MOHR'S salt (Ferrous ammonium salt solution) This document contains 50 questions that will be asked in the mid-semester practical exam for the BTech I Sem Engineering Chemistry Lab course. 0) Redox titrations involving KMnO 4 as the oxidising agent are called permanganometric titrations. Why a titration flask should not be rinsed ? Ans. pdf), Text File (. Why a titration flask should not be rinsed? Answer. It is denoted by Λ. Some key points: 1. This document discusses potentiometric titration and summarizes key concepts: Potentiometric titration involves measuring the potential difference (emf) between indicator and reference electrodes during a redox titration to determine the The document provides 20 chemistry viva questions and their answers related to topics like volumetric analysis, standard solutions, titration, indicators, molarity, normality, equivalent weights of acids, bases, oxidizing and reducing agents, and sample calculations. Why a titration flask should not be rinsed ? Answer. This document discusses the principles and procedures of potentiometric titration, Viva Questions with Answers on Experiments Based On pH Change. Courses for Kids. [] Volumetric Analysis Viva Questions with Answers. Class -12 Subject -Chemistry Practical Recap for Viva • Titration is a common laboratory method of qualitative analysis which is used to determine the unknown concentration of a solution (KMnO 4 ) by titrating it with known concentration of solution. Ananya Gupta 2 Jan, 2025. Use distilled water for preparation of solutions. 3 Distinguish b/w titrant & titrate? The Model Viva Questions Chemistry Lab Common to st: CS, IT, ET 1 Sem Title of the practical: Identification of two cations and two anions in a sample of mixture. This is because during rinsing some liquid will remain sticking to the titration flask there-fore the pipetted volume taken in the titration flask will increase. Ques: Why is heating done for Oxalic Acid, KMnO4 titration? Ans: Oxalic acid is heated before titration with KMnO4 solution because this reaction happens only in certain temperature. Repeat the titration 3-4 tim& till concordant values are obtained. Aim Theory Materials Required Apparatus Setup Procedure Observation Calculations Results and Discussion Precautions Viva Questions. , V 1 N 1 = V 2 N 2. pH = – log [H3O+]. This document contains 56 questions and answers about qualitative analysis of salts. In close proximity to the endpoint, the action of the indicator is analogous to the other types of visual colour About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The stage during titration at which the reaction is just complete is known as the end point of titration. Ananya Gupta 5 Jan, 2025. Q1: If 83 mL of 0. Once the titration is started, the solution contains weak acid and also its salt with strong base. What is the molar mass of KMnO 4 Answer : 158g/mol Question. What is weak acid? To help such students, we are sharing the CBSE Class 12 Chemistry Viva Questions with Answers 2025 here. Titration is a process in which the concentration of unknown solution is determined with the help of a standard solution Table I1 under the colunin 'Final reading'. To determine the concentration of an unknown component in a solution by volumetric analysis technique. Viva Questions - Free download as Word Doc (. Solutions of equal strength always interact in equal volumes. docx), PDF File (. Chemistry SL. Define pH. are taken to ensure the accuracy of the final results of the 10. From the molarity equation: M A V A / n A (acid) = M B V B / n B (base) Viva Questions-1 (3) - Free download as Word Doc (. The stage during titration at which the reaction is just complete is known as the end point of titration. An average titre of 23. Also this helps to remember about the experiments performed in the laboratory. 50cm 3 was recorded. Students shared 4265 documents in this course. chemistry practical VIVA Question XII - Free download as Word Doc (. Ask a new question. 0216 mol dm-3 potassium dichromate(VI). Key concepts include definitions of PLAYLIST LINK OF VIDEOS OF VIVA QUESTIONShttps://youtu. The document contains a list of viva questions and answers related to chemistry, focusing on titration, standard solutions, and various chemical reactions. The amount of indicator should be used same in each titration . Viva questions - Free download as Word Doc (. Degree IB. txt) or read online for free. Answer Created Discuss the indicators that can be used in this titration and explain their role. The questions cover topics related to determining alkalinity, chloride content, Table of Contents. This document contains 20 chemistry viva questions related to topics in volumetric analysis and titrations. Download free PDF for last minute revision. In this titration wlour change develops a little late, hence, titration should be done slowly. Characteristics of acids and bases such as strong vs weak Viva Question of Ferrous Ion (1) (1) - Free download as PDF File (. What is red-ox titration?(The titration where both oxidation and reduction takes place) 11. The titration curve in an acid-base titration or a complexation titration shows how the concentration of H 3 O + (as pH) or M n+ (as pM) changes as the titrant is added. This are some most common viva questions for your chemistry exams. In close proximity to the endpoint, the action of the indicator is analogous to the other types of visual colour This document provides frequently asked questions (FAQs) for chemistry practical exams. Calculate the molarity of the HCl solution. This gives the volume (V2) of EDTA required for both calcium and magnesium ions. pOH = – log [OH–] = 14—pH. There are various types of titrations: acid-base titration, complexometric titration, redox titration, iodometric titration, precipitation titration, and permanganate titration. Info More info. Some key points covered include: - Titration is the process of adding a standard solution until the reaction is Viva questions for titration. what is standard solution? The stage during titration at which the reaction is just complete is known as the end point of titration. 1. The titration of potassium permanganate (KMnO 4) against Mohr salt is an example of redox titration. docx - Free download as Word Doc (. Which of the following Viva Questions on Determination of Strength of a Given Solution of Hydrochloric Acid by Titrating it Against Standard Sodium Carbonate Solution - Chemistry Practical Class 11 Determination of Strength of a Given Solution of Hydrochloric Acid by Titrating it Against Standard Sodium Carbonate Solution Viva Questions with Answers. 0 mol dm-3 sulphuric acid were added to a conical flask and warmed. The element whose concentration needs to be calculated is referred to as titrate. 18. The titration of potassium permanganate (KMnO 4) against oxalic acid (C 2 H 2 O 4) is an example of redox titration. There are some disadvantages like i) starch is insoluble in cold water. This is because during rinsing-some liquid will remain sticking to the titration flask therefore the pipetted volume taken in the titration flask will increase. 12 is an indicator? Answer: An indicator is a chemical substance which changes colour at the endpoint. The amount of iron in an iron/vanadium alloy was found by the following method: 0. Viva Questions with Answers on Purification of Chemical Substances by Crystallisation; Experiments Based On pH Change. Normality, molarity, and molality which define the concentration of solutions. Regularly there would be doubt clarification sessions, Assignments and periodic test and many more. Question 19. This colour will remain even it reaches the end point of the titration and hence will produce wrong result. A 100 mL conical flask. Which is an oxidising CBSE Class 11 Chemistry Viva Questions with answers PDF is available for download. Q1. permanent blue-coloured adsorbed complex with iodine. Titration is a process in which the concentration of unknown solution is determined with the help of a standard solution Explore essential viva questions related to volumetric analysis experiment, enhancing your understanding and readiness for examination success. Note the burette reading and repeat the titration to get concurrent values. be/G2UcwEx5fZI chemistry practical Viva questions part 2https://drive. Key topics include the properties of KMnO4, the significance of different reagents, and tests for The document provides information about basic viva questions and answers related to volumetric analysis, salt analysis, and food stuff analysis. 4. It also outlines Class 11 Chemistry Practicals Viva Voce Question and Answers is to judge whether the student has merely copied the experiments from the book or he/she has actually performed it in the laboratory. google. questions5 what do you mean volumetric analysis? volumetric analysis is the estimation of the. DETERMINATION OF PKA OF WEAK ACID USING PH METER **VIVA QUESTIONS AND ANSWERS. It addresses questions about the ores of iron, Mohr's salt, the external indicator used which is potassium ferricyanide, its IUPAC name and oxidation state of Potentiometer-Chemistry-Viva-Questions-Part-2. 45 M NaOH solution neutralizes a 235 mL HCl solution. A solution whose strength is known is called a standard solution. CBSE Class 12 Chemistry Viva Questions 2025 FAQs. This guide covers the exam pattern, evaluation process, and effective preparation strategies to help you excel. Q5: Which indicator is employed in EDTA titrations A5: Erio Chrome Black -T is used in EDTA The document contains a series of chemistry viva questions and answers for Class XII, covering topics such as volumetric analysis, preparation of inorganic compounds, and chromatography. Sc. 3. Like. It defines functional groups as groups of atoms that determine a compound's chemical properties, and lists common examples like VIVA – VOICE QUESTIONS & ANSWERS. Estimation of Iron content (Fe 2+) by Potentiometric Titration. In close proximity to the endpoint, the action of the indicator is analogous to the other types of visual Viva_pH meter (1) - Free download as PDF File (. Why graphite rod is used in dry cell? Physics Practical Viva questions asked in board exams of class 11 and class 12 2024-25 view to see questions. What is Titration? Also Read: Chemistry Project for Class 12: Topics & Sample Projects. - Free download as Word Doc (. Note 7: The only advantage of using starch solution is that it is inexpensive. join me on telegram throughhttps://t. 3. be/_j6jgvSQ1gU (PART VIVA QUESTIONS TITRATIONS - Free download as PDF File (. What should I focus on for the Chemistry viva? Table of Contents. It covers topics like organic functional groups, tests to identify functional groups and unsaturation, and volumetric analysis techniques. Titration Chemistry Questions with Solutions. 10. Table of Contents. This document contains 60 questions related to titration experiments involving potassium permanganate (KMnO4) and oxalic What do you understand by the term titration? Answer: Titration is an analytical method to estimate the concentration of an unknown solution using a solution of known Download Class 11 Chemistry Viva questions on Study the pH change in the titration of a strong acid with a strong base using a universal indicator by clicking the button below The document contains a series of viva questions and answers related to chemistry topics for Class 12, focusing on titration, salt analysis, and functional group analysis. Viva Questions: Q. doc / . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Viva questions of Chemistry practical 1 va qiuestioms viva. It defines key terms like standard solution, titration, titrant, titrate, equivalence point and end point. This document discusses the determination of the unknown concentration of HCl using a pH meter. Thus the mixture is a buffer mixture. The document contains 31 questions and answers related to volumetric analysis techniques. Electromotive force is defined as, "the difference of potential which causes flow of current from one electrode of higher potential to the other electrode of lower potential. ; 6Fe 2+ + Cr 2 O 7 2 – + 14H + Viva questions (part 3)Conductometric titrations. This document discusses volumetric analysis and provides definitions for key terms used in titrimetric analysis including: 1. 1 What is hardness? Give difference between temporary and permanent hardness. Share. Courses. Searches notes shared by students worldwide Finds relevant study materials. Determine the pH values of hydrochloric acid at different Study the pH change in the titration of \(\frac{M}{10} HCl\) with \(\frac{M}{10}NaOH\) using universal indicator Model Viva Questions Chemistry Lab Common to st: CS, IT, ET 1 Sem Title of the practical: Identification of two cations and two anions in a sample of mixture. Aim; Theory; Procedure; Observations; Result; Precautions; Viva-Voce; The determination of the strength of a solution of an acid by titration with a standard solution of a base is called acidimetry, whereas when the strength of a solution of an alkali is determined by means of titration with standard solution of an acid, it is termed as alkalimetry. ; The flask was cooled and the contents titrated against 0. 19. 10 important viva questions and answers on conductometry titration CBSE Exam, class 12. (Oxalic acid). This document provides answers to 26 questions related to chemistry concepts for class 12. State the law of volumetric. Volumetric analysis involves determining the concentration of a solution by allowing it to “During the titration, one of the ions is replaced by the other and invariably these two ions differ in the ionic conductivity with the result that conductivity of the solution varies during the course of titration”. 11. Determination of concentration/ molarity of KMnO4 solution by titrating it MODEL VIVA- VOCE QUESTIONS AND ANSWERS Volumetric analysis. Viva questions (part 3)Conductometric titrations. It is defined as the negative logarithm of hydronium ion concentration in moles per litre. https://youtu. 3 Distinguish b/w titrant & titrate? The reagent of known concentration is called the titrant & the substance being titrated is CBSE Class 12 Chemistry Viva Questions 2025 with answers PDF is available for download. Conductometric titration is a laboratory method of quantitative analysis used to identify the concentration of a given analyte in a mixture. Conductometric titration involves the continuous addition of a reactant to a reaction mixture and the documentation of the corresponding change in the electrolytic conductivity of the reaction mixture. Some key points covered include: - The definition of a standard solution and equivalent mass of KMnO4. It mentions chemistry and physics lab manuals, as well as viva questions for subjects like engineering chemistry, physics, and workshops. HNO 3 is itself an oxidising agent whereas HCl In this class room we will cover the entire syllabus of Engineering Chemistry as prescribed by the VTU 2021 scheme. No Volume of MgSO 4 in ml Burette Reading Volume of EDTA Initial Final consumed 1 20 2 20 3 20 M 1 = MgSO 4 molarity M 2 = EDTA molarity V 1 = volume of MgSO 4 V 2 What is titration? Ans: Titration is a process to determine the molarity of a acid or a base. CBSE Class 12 Chemistry Viva Questions with Answers 2024-25 must be practised well before appearing for the chemistry practical examination. Subject. This document contains a list of potential viva voce questions covering topics like redox titrations involving oxalic acid Viva Questions on Determination of Concentration/Molarity of KMnO4 Solution by Titrating it against a Standard Solution of - Ferrous ammonium sulphate - Chemistry Practical Class 12 Determination of Concentration/Molarity of KMnO4 Solution by Titrating it against a Standard Solution of - Ferrous ammonium sulphate Viva Questions with Answers. What is emf. Titration is an analytical methodology used to determine the concentration of a substance. What is meant by titration? The process of adding a standard solution to a solute in solution untill the reaction is just complete is termed as titration. , 14) What are the advantages of conductometric titrations over visual or potentiometric, , titrations?, , 1) The method is accurate in dilute as well as more coneentrated solutions A7: Titration is a process in which the concentration of unknown solution is determined with the help of a standard solution and indicator. 175g of the alloy wire and 100cm 3 of 2. 13 should the oxalic acid solution be #plustwochemistry #chemistry #chemistrypracticals #vivaquestionsIn this video, we'll go through all the viva questions for Plus Two Chemistry Practicals as r VIVA QUESTIONS FOR CHEMISTRY PRACTICALS - Free download as PDF File (. What are the electrodes used in the potentiometric titrations? Ans:Reference Electrode – Calomel electrode Indicator electrode – Platinum electrode 2. Examiner. Key concepts include the principles of volumetric analysis, the roles of titrants and titrates, various tests for identifying chemical compounds, and the importance of specific reagents in reactions. Viva Questions. com/folderview?id=1R7ck1tW_8MH9SJmgm9T4A5sNRnidwkZR . CBSE Exam, class 12. Acid-base titrations Chemistry Questions with Solutions. burette after titrate with EDTA solution till wine red color changes to blue color. Why starch indicator is added towards the endpoint in iodometric titrations? Because, it forms water insoluble complex with I 2 at higher concentration of I 2 and it cannot be easily dissociated by the thiosulphate solution. Practice viva question class 12th practical viva 2024 chemistry viva questions with answers class xii volumetric analysis question. Academic year: 2024/2025. A Graduated Answer: The stage of titration when the reaction is complete is called the end point of titration. The document consists of a list of viva questions covering various topics in chemistry, including reactions, indicators, oxidation states, and properties of different compounds. Material Required. Join Today - All India Mock Tests for NEET 2025 (AYNR 2. A8: The stage during titration at which the reaction is just complete is known as the end point of titration. This document provides information about various concepts related to salt analysis and Table of Content. Endpoint; How is the endpoint of the About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright This video helps students to prepare themself for upcoming Practical exams. CBSE Class 11 Chemistry Viva Questions FAQs. It is more convenient to monitor the potential of the titration reaction rather than the Important Viva Questions for Chemistry Titration Practical Class 12- KMnO4/ Oxalic Acid/ Mohr SaltWatch before your exams 👇👇👇Titration- Oxalic Acid Vs KMn LAB VIVA QUESTIONS AND ANSWERS - Free download as PDF File (. II Semester-Chemistry- Practicals Probable Viva Questions (From Performing Experiments only) List of Performing experiments 1. Aim Theory Materials Required Apparatus Setup Procedure Observations Calculations Results and Discussion Precautions Viva Questions. Some key points covered include: - Qualitative analysis deals with methods to determine constituents of compounds. Answer: The stage during titration at which the reaction is just complete is known as the end point of titration. Give an example for a red-ox titration. Answer: The balanced chemical reaction between HCl and NaOH is as follows: HCl (aq) + NaOH (aq) → NaCl (aq) + H 2 O (l). i. - Salts ionize in water due to water's high About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Viva questions for school and high education: PhD viva questions, Best tips for viva success: Tell me about yourself, strengths and weakness. Organic Chemistry viva questions often focus on reactions and mechanisms, while Inorganic Chemistry viva questions delve into compounds and properties. estimation of ferrous ion by potassium dichromate viva questions. S. What is an Can you use hydrochloric acid [HCl] or nitric acid [HNO 3] in potassium permanganate [KMNO 4] titrations? Why? No. • A solution whose concentration is known, is called a standard solution. 7 Engineering Chemistry Lab| Viva – Voce Questions EXPERIMENT – 9 (POTENTIOMETRIC TITRATIONS) 1. The document contains 20 questions and their answers Download Class 11 Chemistry Viva questions on the Determination of strength of a given solution of sodium hydroxide by titrating it against a standard solution of oxalic acid by clicking on the 10. Tech first year students, including lab manuals, viva questions, and syllabi. 2. Question. Determination of the density using specific gravity bottle and surface GET ready for CBSE practical exams, an integral part of the curriculum that combines theoretical knowledge with hands-on experience. Unformatted text preview: CLASS - XII (CHEMISTRY PRACTICAL) Viva Questions on Titrations And Food Tests Question. pH of the solution be maintained properly. School Ram Tahal Choudhary High School (CBSE), Ranchi - Ranchi. Viva Ouestions 35 During the titration of oxalic acid and sodium hydroxide, which solution is pipetted out? We would like to show you a description here but the site won’t allow us. Viva Questions for Class 11 Chemistry. 0. ( This titration itself is a red-ox titration) 12. Q9. Students must go through all the questions and answers before the examination. Question 7. Some key points covered include: 1) The principles of volumetric analysis and titration, and definitions of terms like indicator, end point, and 2. be/iAjs05Xa8pU (PART 1)https://youtu. The document discusses questions and answers from a viva-voice exam on the determination of ferrous ion. How we answer your question. It also lists some sample questions and provides keywords for finding additional study materials online for topics Another name for volumetric analysis is titration. Chemistry Practical Viva according to new CBSE pattern. To calculate the strength (Molarity or Normality or amount of substance in g/l) of unknown solution with the help of unknown-solution with the by using burette, pipette, conical flask and indicators, is called titration. Students should also review common viva questions for Class 12 Chemistry and rehearse detailed answers. Using Chemistry viva preparation tips to structure study time effectively is essential. If not heated your light pink titrated solution turns brown soon & reaction takes longer times but overheating will cause decomposition of oxalic acid as CO2. What do you mean by pOH ? Ans. It begins by defining pH and the pH @a2zpractical991 #viva #class12thboard #12thchemistry #practical #cbse12thchemistry #cbse #class12thpractical #chemistry #chemistrypractical If you found this video good don't forget to like and share this video and also don't forget to subscribe our YouTube Channel. Ans. 1) It discusses volumetric analysis techniques like titration, normality, indicators and end Viva Voce Questions - Free download as Word Doc (. 1. Summary. Determination of the density using specific gravity bottle and viscosity of a liquid using Ostwald’s viscometer 2. • Molarity: Molarity of a solution is B. 999+ Documents. 2. - Principles of volumetric analysis and titration. Study Abroad. What is the Principle of Potentiometric titration? Ans:Nernst equation 3. It is negative logarithm of OH– ion concentration. If necessary, add 2-3 drops more Chemistry Viva Questions Part 2 - Free download as Word Doc (. Why a titration flask should not be rinsed ? Answer: This is because during rinsing-some liquid will remain sticking to the titration flask therefore the pipetted volume taken in the titration flask will increase The stage during titration at which the reaction is just complete is known as the end point of titration. What is a standard solution ? Answer. The prineiple underlying conductomciric tilration is the replacement ofions of, , a particular conductanee by ions of ditierent conductance during the titration. Study the pH change in the titration of a strong acid with a strong To evaluate a redox titration, first, determine the shape of its titration curve. It covers entire questions of EDTA Titration or Complexometric Titration of Engine This document discusses various resources for B. Thoroughly preparing the CBSE class 12 chemistry viva questions 2025 will help students score all 4 marks in the viva voce. It also discusses Viva Questions on Titrations XII - Free download as PDF File (. It addresses concepts such as activation energy, solubility, and the classification of radicals Master chemistry practicals Titration should be performed slowly near the end point. dfzgv ebypme knlzvve bxi xsnhjz poju zbznk mlyd pcociiie wqabsl ncdff nmwo ebspq paa irmmf