EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 4 September 2020 Shift 1>Q 35

HARD

JEE Main

IMPORTANT

Earn 100

An organic compound (A) (molecular formula $C_{6} H_{12} O_{2}$ ) was hydrolysed with dil. $H_{2} {SO}_{4}$ to give a carboxylic acid (B) and an alcohol (C). ‘ $C$ ’ gives white turbidity immediately when treated with anhydrous ${ZnCl}_{2}$ and conc. $HCl$ . The organic compound (A) is:

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Important Questions on Aldehydes, Ketones and Carboxylic Acids

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 4 September 2020 Shift 1>Q 36

The number of chiral centres present in

[B]

is _____

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EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 31 August 2021 Shift 2>Q 37

For the reaction given below :
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The compound which is not formed as a product in the reaction is a :

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 31 August 2021 Shift 1>Q 38

The major products

A

and

B

in the following set of reactions are:
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MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 3 September 2020 Shift 2>Q 39

The increasing order of the reactivity of the following compounds in nucleophile addition reaction is:

Propanal, Benzaldehyde, Propanone, Butanone

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 3 September 2020 Shift 2>Q 40

The compound A in the following reactions is:

$A \to_{(ii) Conc . H_{2} {SO}_{4} / ∆}^{(i) {CH}_{3} MgBr / H_{2} O} B \to_{(ii) Zn / H_{2} O}^{(i) O_{3}} C + D$

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HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 3 September 2020 Shift 1>Q 41

An organic compound [A], molecular formula

C_{10} H_{20} O_{2}

was hydrolyzed with dilute sulphuric acid to given a carboxylic acid [B] and an alcohol [C]. Oxidation of [C] with

{CrO}_{3} - H_{2} {SO}_{4}

produced [B]. Which of the following structures are not possible for

[A]

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 2nd April 2017>Q 42

The major product obtained in the following reaction is

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MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 27 July 2021 Shift 2>Q 43

R - CN \frac{(i) DIBAL - H}{(ii) H_{2} O} ⟶ R - Y

Consider the above reaction and identify "Y"