JEE Main 2024 (Online) 5th April Morning Shift | Alcohols, Phenols and Ethers Question 8 | Chemistry

JEE Main 2024 (Online) 5th April Morning Shift

MCQ (Single Correct Answer)

-1

Given below are two statement :

Statements I : Bromination of phenol in solvent with low polarity such as $$\mathrm{CHCl}_3$$ or $$\mathrm{CS}_2$$ requires Lewis acid catalyst.

Statements II : The Lewis acid catalyst polarises the bromine to generate $$\mathrm{Br}^{+}$$.

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

Statement I is true but Statement II is false

Both Statement I and Statement II are true

Statement I is false but Statement II is true

Both Statement I and Statement II are false

JEE Main 2024 (Online) 4th April Evening Shift

MCQ (Single Correct Answer)

-1

Common name of Benzene - 1,2 - diol is -

catechol

quinol

o-cresol

resorcinol

JEE Main 2024 (Online) 1st February Evening Shift

MCQ (Single Correct Answer)

-1

Match List - I with List - II.

Choose the correct answer from the options given below :

(A)-(IV), (B)-(I), (C)-(II), (D)-(III)

(A)-(III), (B)-(I), (C)-(II), (D)-(IV)

(A)-(IV), (B)-(II), (C)-(I), (D)-(III)

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

JEE Main 2024 (Online) 31st January Morning Shift

MCQ (Single Correct Answer)

-1

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

Assertion A: Alcohols react both as nucleophiles and electrophiles.

Reason R: Alcohols react with active metals such as sodium, potassium and aluminum to yield corresponding alkoxides and liberate hydrogen.

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

$$A$$ is false but $$R$$ is true.

Both $$A$$ and $$R$$ are true but $$R$$ is NOT the correct explanation of $$A$$.

Both $$A$$ and $$R$$ are true and $$R$$ is the correct explanation of $$A$$.

$$A$$ is true but $$R$$ is false.

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