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: What would result in the following one mix with the giving test solution?
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
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Q: What is the expected visual observation when ether and hot, acidic potassium permanganate were mixed…
A: acidic potassium permangnate is an strong oxidizing agent.
Q: What is responsible for the purple color of the layer observed in a Molisch test?
A: Molisch test is a test which is used to check for carbohydrates in a given sample. In it, Molish…
Q: What is the use of sodium bismuthate in the test for manganous ion?
A: This question is based on Analytical chemistry Ion to be identified : Manganous ion. Chemicals used…
Q: 5. Write the equation for assay of thiopental sodium substance. Give the value of stoichiometric…
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Q: . Write the reaction involved in Ferrox Test. a. What is the species responsible?
A:
Q: If red and green solutions were mixed would you expect an orange color result?
A: Red solution + green solution = yellow solution We would not expect an orange color result.
Q: In the test for ammonium (NH4+) ion, why should you take care that the litmus paper is not wet with…
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Q: In the Standardization of Sodium Thiosulfate (Redox Titration), why is it necessary to remove the…
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Q: Describe how to analyze a solution of Nal by using the Volhard titration?
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Q: What will be the result (description of appearance) of Tennessine and Potassium bromide solution
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Q: 298.15 K using AH° for the dissociatic
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Q: Which substance imparts a yellow color to the solution using Mohr method, masking the true color of…
A: Ans: Potassium chromate imparts a yellow color to the solution using Mohr method.
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Q: Give equations and explanation for Brown Anson analysis
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Q: How will the reported solubility product of borax be affected if some of the solid borax is…
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Q: Write a detail note on Baeyer-Villiger oxidation, Write its applications.
A: Baeyer - Villiger Oxidation is an organic reaction to synthesize an ester from ketone or a lactone…
Q: What gas is evolved on the surface of the copper plate when this is reacting with acid?
A: H2 gas is evolved when copper plate reacting with sulphuric acid. Cu (s) + H2SO4 (aq) ---> CuSO4…
Q: What is the purpose of chromic acid test? What is the evidence of positive result?
A:
Q: Adding acidified potassium permanganate on an unidentified sample, violet color is discharged which…
A: Potassium permanganate is an oxidizing agent.
Q: Name three other products applied in industry obtained from nitration reactions and its uses.
A: Nitration products
Q: Why wouldn't you expect to see the purple color upon testing pure acid?
A: An acid is a chemical substance that furnishes hydrogen ion such as H+ ions on dissociation in the…
Q: write an equation to show the congruent dissolution of anhydrite
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Q: What do you think is a limitation of the flame test in identifying metal ions in solution?
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Q: briefly explain why it is necessary to be careful when disposing of the filter paper salt bridges
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Q: What technique might be used to analyze an aliquot from a reaction mixture? Gas Chromatography…
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Q: Why use basic buffer solution in an experiment for hard water analysis?
A: Buffer solution is solution which resist the change in pH of solution.
Q: If ammonium chloride was mixed into the sand in a sandbox, then would this be of any concern?
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Q: What is the color change of litmus paper involved in the preliminary group test for Anions IV? Your…
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Q: What is the acid/base ratio is important in the titrimetric process?
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Q: Why does zinc hydroxide dissolved in excess sodium hydroxide?
A: Given Compound =Zinc HydroxideChemical formula = Zn(OH)2 Condition = Excess of sodium hydroxide
Q: How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?
A: Metals react with acids to give H2 gas. Active metals are the metals that reacts strongly with other…
what is the significance of chromyl chloride test. and also give a balance equation for it.
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- Why is hydrochloric acid added to the precipitated copper metal near the end of the procedure?Refering to the image attached (Winkler method), what is the function of sodium thiosulphate and why do we need to add in the solution until it turns into pale yellow colour?Why wouldn't you expect to see the purple color upon testing pure acid?
- Draw and label a detailed reflux apparatus for the reflux reaction described in your experimental procedure for the Knoevenagel Reaction. Your drawing should be complete and include all the necessary components of a proper reflux apparatus.What is the chloride test of boiler water used for?Give equations and explanations for: Randles Sevcik analysis and Brown Anson analysis
- How will the reported solubility product of borax be affected if some of the solid borax is inadvertently transferred into the Erlenmeyer flask and included in the titration analysis?A student rushed through this experiment, but noted some procedural errors in their lab notebook. If the following observations were listed in the lab notebook, how would they affected the calculate sodium hypochlorite percentage? Would the calculated percentage be too high, too low, or unchanged by their procedural error? A student forced the remaining liquid in the pipet out with the pipet pump. A student had an air bubble in the buret tip that remained there during the entire titration. A student had an air bubble in the buret tip that came out during the titration.What is the purpose of heating the acid solution with the antacid to boiling? Why is this a critical step in the procedure?