1
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 146 English
The product ''P'' in the above reaction is :
A
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 146 English Option 1
B
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 146 English Option 2
C
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 146 English Option 3
D
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 146 English Option 4
2
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements : one is labeled as Assertion A and the other is labelled as Reason R :

Assertion A : The H$$-$$O$$-$$H bond angle in water molecule is 104.5$$^\circ$$.

Reason R : The lone pair - lone pair repulsion of electrons is higher than the bond pair - bond pair repulsion.

In the light of the above statements, choose the correct answer from the options given below :
A
Both A and R are true, and R is the correct explanation of A
B
A is true but R is false
C
A is false but R is true
D
Both A and R are true, but R is not the correct explanation of A
3
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 152 English
In the above chemical reaction, intermediate ''X'' and reagent/condition ''A'' are :
A
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 1
B
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 2
C
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 3
D
JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 4
4
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Assertion A : Enol form of acetone [CH3COCH3] exists in < 0.1% quantity. However, the enol form of acetyl acetone [CH3COCH2OCCH3] exists in approximately 15% quantity.

Reason R : Enol form of acetyl acetone is stabilized by intramolecular hydrogen bonding, which is not possible in enol form of acetone.

Choose the correct statement :
A
Both A and R are true but R is not the correct explanation of A
B
A is true but R is false
C
A is false but R is true
D
Both A and R are true and R is the correct explanation of A
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