Q: Why should excess alkali be avoided in the FeCl3 test for acetic acid and benzoic acid?
A: When Acetic acid is treated with neutral Ferric Chloride Solution, then Red brown Precipitate of…
Q: Enumerate at least 3 specific medical applications of complexometric titration and discuss each.
A: The ligand is a species that contains an unshared electron pair or a negative charge. This electron…
Q: Discuss the 3 ways you could determine the completion of a coulometric titration
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Q: In the basic medium, write the compound that gives 1 mol of acetone and 1 mol of acetic acid when…
A: The oxidative cleavage of alkenes is performed in the presence of potassium permanganate. The double…
Q: 1. Titration of 0.485g sample by the Mohr method required 38.8mL of standard 0.1060 M AgNO3…
A: Given, Weight of sample= 0.485 g Concentration of AgNO3 = 0.1060 M Volume = 38.8mL = 38.8/1000 =…
Q: What is the basis of the ‘40000’ in the equation? Note: this is about "DETERMINATION OF WATER…
A: Interpretation: To find out the basis of 40000 used in the equation given.
Q: Why is the use of high-precision volumetric material essential for titration?
A: Volumetric analysis is a technique used to determine the unknown concentration of a reactant with…
Q: is 4-bromoaniline soluble in HCl or NaOH or NaHCO3? please provide detailed description why that is?
A: Polar compounds are those when dissolved in water produce two charged species that is cations…
Q: Why must solid remain in constant contact with a solution of sparingly soluble salt in order to…
A: The equilibrium is a phenomenon of reversible reaction. Any reaction's equilibrium constant (K) is…
Q: Give six differences between tituration and levigation
A: Six differences between trituration and levigation- 1) Triturate is the continual rubbing of a solid…
Q: Iodometric titration of vitamic C with sodium thiosulfate Why was the known excess of iodine…
A: Ascorbic acid (vitamin C) is mainly found in fresh fruits such as lemon, orange, lime, peach,…
Q: Give three circumstances in which an EDTA back titration might be necessary.
A: When back titration is to be performed with EDTA, excess of it is added to analyte. Analyte is any…
Q: A limestone sample weighing 400 mg was dissolved in acid treated with excess sodium oxalate. The…
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Q: DURING NITRITOMETRIC TITRATION, THE ADDITION OF CHLORIDE ACID (HCI) TO THE REACTION MIXTURE…
A: Nitritometry is the method based on the reaction which occurs in the acidic medium as follows:…
Q: Briefly explain why the sparingly soluble product mustbe removed by filtration before you…
A: In Volhard's determination of the ions, the sparingly soluble ions must be removed by filtration…
Q: List four methods of detecting the end-point of an EDTA titration and explain each.
A: Titration is a method of analyzing an unknown sample with the help of a known sample using an…
Q: etermin
A: The absolute technique in which mass can be used to find quantity needed to electrolyze the…
Q: Why did the colour of the solution in the conical flask change at the end of the titration?
A: In the titration there is color change at the end.
Q: 1.) A 0.1278-g sample of primary standard Na2C2O4 required exactly 60.04 mL of permanganate solution…
A: Given data,Mass of Na2C2O4=0.1278gVolume of KMnO4=60.04mL=0.06004LVolume of La3+=50mLVolume of…
Q: Describe how to analyze a solution of Nal by using the Volhard titration?
A: Solution - According to the question - Given - Volhard titration - The volhard method is an indirect…
Q: Calculation at the post-equivalence point region of a complexation titration: What is the pSr…
A:
Q: Why is Potassium Chromate used as the indicator in Mohr Method Determination of Chloride? Explain
A: Potassium Chromate used as the indicator in Mohr Method for determination of Chloride.
Q: What weight of sample must be used in the Mohr method for chloride so that two times the volume of…
A: Here we have to determine the mass of sample used in Mohr's method for chloride if the volume of…
Q: what titrant will you use in preparing a substance with a pH of 7(green) whereupon the addition of…
A: Bromothymol blue is a pH indicator which is used to measure substances that have a neutral pH. It is…
Q: a) What are the advantages and disadvantages of using potassium permanganate as a titrant?
A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…
Q: Question attached
A: EDTA is ethylene diamine tetra acetic acid. It is a hexadentate ligand. The ability of multidentate…
Q: Question attached
A: In a sample of water, there are many ions like calcium, magnesium and aluminium is present. Many of…
Q: using the An accurately weighed chelometric standard calcium carbonate of 200 mg was used to…
A: Disodium ethylenediaminetetraacetate, also known as disodium EDTA, has the following structure: In…
Q: What factor affects the ‘strength’ of a buffer? Why was benzoic acid used as a solvent when making…
A: Firstly we have to tell about factor affecting the strength of a buffer solution. Ratio of…
Q: Explain why K2CrO4 is used as an indicator in Argentometric titration
A: Argentometric titration is the titration method, which is used for the detection of halides or…
Q: An antihistamine sample, brompheniramine maleate, weighing 5.01234 g was dissolved in alcohol and…
A: Mass of an antihistamine sample, Brompheniramine maleate = 5.01234 g Molarity of AgNO3 = 0.3121 M…
Q: Why should the solution be adjusted to pH 10 prior to EDTA titration?
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Q: Why is it not necessary to know the exact volume of deionized water added when preparing the samples…
A: Since we know the volume and concentration of the acid or base taken for the titration hence the…
Q: Calculation at the equivalence point of a complexation titration: What is the pSr value of a 50.00…
A: Kindly get the answer given below.
Q: When one would like to run an experiment with EDTA, sometimes it is necessary to do back titration.…
A: Sometimes when performing EDTA titration the metal ions block the indicator or metal EDTA complex…
Q: What do the ions that gave a precipitate when mixed with AgNO3 have in common?
A: Since the halogen ions react with Ag+ ions to form a precipitate Hence any anion whose salt with…
Q: Can a conventional pH meter with conventional buffer solutions measure the pH of the mobile phase…
A: Hydrophilic interaction liquid chromatography (HILIC) is a chromatographic technique used for the…
Q: B) A mixture of AP" and Mg* in a sample of water. Explain a procedure to analyse this mixture using…
A: In a sample of water, there are many ions like calcium, magnesium and aluminium is present. Many of…
Q: A. What is the acid/base ratio? Why is it important in the titrimetric process? B. Why should you…
A: a. Answer - According to the question - acid base ratio - We know that for perfect neutralization,…
Q: The NaOH titrant in this experiment was prepared to be approximately 0.1 M and then was…
A: Given that, in an experiment, approximately 0.1 M of NaOH solution was prepared and then was…
Q: How to prepare 1L of 0.5mM PBS buffer at pH 7 using sodium phisphate monobasic, sodium phosphate…
A: A buffer solution is a solution which resist a change in its pH on the addition of small amount of…
Q: In the preparation of the titrant, the solution must be aged for at least 24 hours in the dark.…
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Q: Why should be solution of sodium bicarbonate be boiled during titration with HCI?
A:
Q: At pH 7, what metal ions can be titrated by EDTA?
A: In complexometric titrations, EDTA requires a certain minimum pH for titrating each metal ion. The…
Q: How do you report the average and %RSD for the %w/w of acetic acid in an unknown solution after…
A: Acid-base titration:It is a method for determining the concentration of acid or base by neutrilizing…
Q: Which of the following is a good description of a standard solution as a titrant? a) selectively…
A: The standard solution of titrant is the solution with a known concentration.
Q: DETERMINATION OF WATER HARDNESS BY EDTA TITRATION 1. Why is it needed to add a pH 10 buffer to the…
A: Interpretation : We have to tell it is need to add a pH 10 buffer to sample during EDTA titration…
Explain why in Mohr's method neutral medium should be used in titration of AgNO3?
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- Sketch a photometric titration curve for the titration of Sn2+ with MnO4 . What color radiation should be used for this titration? Explain.In the Mohr Method Determination of Chloride, why must the titration be in neutral condition to be carried out? What will be the side reactions if it is done in basic as well as acidic conditions?In determination of mixed alkali, does adding H2O to the analyte can afect the process of titration?
- Sometimes it is not possible to indicate the end point of a titration.a) How can one proceed then and what is the name of the type of titration that can be performed? Briefly describe. An example in which this method can be used is in the determination of mercury, which forms strong complexes with EDTA, but for which there is no suitable indicator that can indicate the end point. b) You are given the task of determining the Hg2 + concentration in a sample solution? After adding an excess of EDTA, the sample solution is titrated with a magnesium solution. 20.00 ml of a 0.0452 M EDTA solution was added to 30.00 ml of sample solutionThe excess EDTA was determined by adding 0.0500 M Mg 2+ solution, consuming 4.37 ml to the end point.A student has a sea water sample which contains Ca2+ ions . Describe briefly how he willdetermine the concentration of Ca2+ ion in the sample using a simple titration. Explain the colourchanges at the endpoint. Which medium is suitable for performing the titration, acidic or basic medium and why?What is the equivalence volume when 0.0500 M EDTA is titrated with 100.0 mL of 0.0500 M Mn+ buffered to a pH of 9.00?
- Why should be solution of sodium bicarbonate be boiled during titration with HCI?Give three circumstances in which an EDTA back titration might be necessary.b. EDTA cannot be used as a primary standard always. When can EDTA be used as a primarystandard ? Give reason why EDTA is used in complexometric titrations.
- What is the purpose of adding CaCO3 or NaHCO3 in the Mohr Method determination of chloride?Explain why colour of KMnO4 disappears when oxalic acid is added to its solution in acidic medium.1_ In the titration why the colour changes from wine red to bue? 2_what are the harmful effects of hard water? 3_write the principle involved in hardness of water by EDTA method?