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- What is ammonolysis? Explain by giving examples through equations.For Question 3, I understand the procedure and what to do next, but what anions would be substitute in place of A, B, and C? Thank you.4. The experimental procedure for this experiment has you add 5 mL of 0.0040 M AgNO3 to 5 mL of 0.0024 / MK₂ CrO4. Is either of these reagents in excess? If so, which one?
- A. Why is there imidazole in the wash buffer?What does the amount of ammonia depend on in the process of adjusting the sodium thiosulfate solution? Why is the amount of ammonia spent here important? If yes, explain the reaction equations by writing.A compound X has the following properties: (i) Gives an orange precipitate with 2,4-dinitrophenylhydrazine. (ii) Forms a brick-red precipitate when heated with Fehling's solution. Compound X is Select one: O A. pentanal B. pentanone C. pentanol D. pentanoic acid
- He arranged the periodic table by their atomic masses and, predicted the existence of some elements missing in his periodic table correctly. Meyer Mendeleev Dobereiner Newlands 86. Fehling’s & Benedict’s reagents, used to determine the presence of reducing sugars contain which salt: NiSO4 SrSO4 MgSO4 CaSO4 CuSO41.What is the significance when KD is either a small or large value? 2. Methyl alcohol and ethyl alcohol are poor extraction solvents. Why?3. What is the major disadvantage of using ether as an extracting solvent?%N in sample can be obtained by converting all N containing compounds to NH3. The generated NH3 is then reacted with excess HCl and excess HCl is backtitrated with NaOH. Why is back titration done for this analysis? a.Titration with strong acid and strong base will produce sharper endpoint than titration with strong acid and weak base. b.Nitrogen compounds will only react with excess acids. c.Backtitration will be faster than doing direct titration. d.NH3 is a weak base and large amount of titrant is needed to reach equivalence point.
- 2. color of the flame produced when using in AAS in potassium determination a. orange b. none of the choices c.. yellow d. red e. purple 3. preferred additive for chloride determination .a. EDTA b. sodium heparin c. none of the choices d. sodium citrate c. potassium oxalateWhich reagent directly reacts with substance to be titrated? Method – bromometry: Br2; I2; KBr; KBrO3;1. What type of reaction explains solubility of phenol in sodium hydroxide? Explain the organic product formed. 2. How do the reactions of phenol samples with FeCl3 compare? Which structural component of the phenols account for the observation