Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 37

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If pentan $- 2 -$ one is reacted with ${NaBH}_{4}$ , followed by hydrolysis with $D_{2} O$ , the product will be:

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Important Questions on Aldehydes, Ketones and Carboxylic Acids

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 38

In the reaction sequence

RCOCl + H_{2} \overset{Pd + {BaSO}_{4}}{⟶} A \overset{HCN}{⟶} B \overset{H, O^{\oplus}}{⟶} C

A, B

and

C

are given by the set :-

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 39

A carbonyl compound gives a positive iodoform test but does not reduce Tollen's reagent or Fehling's solution. It forms a cyanohydrin with

HCN

, which on hydrolysis gives a hydroxy acid with a methyl side chain. The compound is :-

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 40

Cyanohydrin of the following compound on hydrolysis gives optically active product :

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 41

Which one of the following, on treatment with

50 %

aq.

NaOH

, yields the corresponding alcohol and acid:

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 44

Which of the following acids have the lowest

{pK}_{a}

value?

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 45

Which of the following carboxylic acid undergoes decarboxylation easily?

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 46

The correct sequence of decreasing order of reactivity of hydrolysis of acid chlorides is

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-2>Q 2

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has the IUPAC name: