1
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The structures A and B formed in the following reaction are : [Ph = $$-$$C6H5]

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 81 English
A
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 81 English Option 1
B
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 81 English Option 2
C
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 81 English Option 3
D
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 81 English Option 4
2
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
For the reaction given below :-

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 78 English

The compound which is not formed as a product in the reaction is a :
A
compound with both alcohol and acid functional groups
B
monocarboxylic acid
C
dicarboxylic acid
D
diol
3
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The structure of product C, formed by the following sequence of reactions is :

JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English
A
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 1
B
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 2
C
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 3
D
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 4
4
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements :

Statement I : Ethyl pent-4-yn-oate on reaction with CH3MgBr gives a 3$$^\circ$$-alcohol.

Statement II : In this reaction one mole of ethyl pent-4-yn-oate utilizes two moles of CH3MgBr.

In the light of the above statements, choose the most appropriate answer from the options given below :
A
Both Statement I and Statement II are false.
B
Statement I is false but Statement II is true.
C
Statement I is true but Statement II is false.
D
Both Statement I and Statement II are true.
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12