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1
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:

Assertion A: $$\mathrm{pK}_{\mathrm{a}}$$ value of phenol is 10.0 while that of ethanol is 15.9 .

Reason R: Ethanol is stronger acid than phenol.

In the light of the above statements, choose the correct answer from the options given below:

A
A is false but R is true.
B
Both $$A$$ and $$R$$ are true but $$R$$ is NOT the correct explanation of $$A$$.
C
Both $$\mathrm{A}$$ and $$\mathrm{R}$$ are true and $$\mathrm{R}$$ is the correct explanation of $$\mathrm{A}$$.
D
$$A$$ is true but $$R$$ is false.
2
JEE Main 2024 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolyzed in presence of an acid results

A
Salicylic acid
B
Benzene-1,2-diol
C
2-Hydroxybenzaldehyde
D
Benzene-1,3-diol
3
JEE Main 2024 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List - I
(Compound)		 List - II
($$\mathrm{pK_a}$$ value)
(A) Ethanol (I) 10.0
(B) Phenol (II) 15.9
(C) m-Nitrophenol (III) 7.1
(D) p-Nitrophenol (IV) 8.3

Choose the correct answer from the options given below:

A
A-I, B-II, C-III, D-IV
B
A-IV, B-I, C-II, D-III
C
A-II, B-I, C-IV, D-III
D
A-III, B-IV, C-I, D-II
4
JEE Main 2024 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The major product(P) in the following reaction is

JEE Main 2024 (Online) 29th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 13 English

A
JEE Main 2024 (Online) 29th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 13 English Option 1
B
JEE Main 2024 (Online) 29th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 13 English Option 2
C
JEE Main 2024 (Online) 29th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 13 English Option 3
D
JEE Main 2024 (Online) 29th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 13 English Option 4
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