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JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
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'A' and 'B' respectively are:

JEE Main 2022 (Online) 27th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 87 English

A
1-methylcyclohex-1,3-diene & cyclopentene.
B
Cyclohex-1,3-diene & cyclopentene
C
1-methylcyclohex-1,4-diene & 1-methylcyclopent-1-ene
D
Cyclohex-1,3-diene & 1-methylcyclopent-1-ene
2
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following reactions will yield benzaldehyde as a product?

JEE Main 2022 (Online) 27th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 86 English 1

JEE Main 2022 (Online) 27th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 86 English 2

JEE Main 2022 (Online) 27th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 86 English 3

JEE Main 2022 (Online) 27th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 86 English 4

A
(B) and (C)
B
(C) and (D)
C
(A) and (D)
D
(A) and (C)
3
JEE Main 2022 (Online) 26th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Oxidation of toluene to benzaldehyde can be easily carried out with which of the following reagents?

A
CrO3/acetic acid, H3O+
B
CrO3/acetic anhydride, H3O+
C
KMnO4/HCl, H3O+
D
CO/HCl, anhydrous AlCl3
4
JEE Main 2022 (Online) 26th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is

JEE Main 2022 (Online) 26th June Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 83 English

A
LiAlH4
B
KMnO4
C
MnO
D
NaBH4
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