EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 29 July 2022 Shift 2>Q 131

MEDIUM

JEE Main

IMPORTANT

Earn 100

Correct structure of $γ$ -methylcyclohexane carbaldehyde is

6.25% studentsanswered this correctly

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 - 24 January 2023 Shift 1>Q 134

' $R$ ' formed in the following sequence of reaction is:

Question Image

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 29 January 2023 Shift 2>Q 141

The denticity of the ligand present in the Fehling's reagent is _____ .

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 30 January 2023 Shift 1>Q 142

Which of the following compounds would give the following set of qualitative analysis?

(i) Fehling’s Test: Positive

(ii) $Na$ fusion extract upon treatment with sodium nitroprusside gives a blood red colour but not prussian blue.

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 26 - Aldehydes, Ketones and Carboxylic Acids>JEE Main - 30 January 2023 Shift 1>Q 143

A trisubstituted compound '

A

',

C_{10} H_{12} O_{2}

gives neutral

{FeCl}_{3}

test positive. Treatment of compound '

A

' with

NaOH

and

{CH}_{3} Br

gives

C_{11} H_{14} O_{2}

, with hydroiodic acid gives methyl iodide and with hot conc.

NaOH

gives a compound

B

,

C_{10} H_{12} O_{2}

. Compound '

A

' also decolorises alkaline

{KMnO}_{4}

. The number of

π

bond/s present in the compound '

A

' is _____ .