Assertion (A) In the presence of air, phenol mixture becomes dark in colour. Reason (R) Phenols are slowly oxidised to the dark coloured mixture containing quinones.

Question

Assertion (A) In the presence of air, phenol mixture becomes dark in colour. Reason (R) Phenols are slowly oxidised to the dark coloured mixture containing quinones. (A) Both A and R are correct; R is the correct explanation of A. (B) Both A and R are correct; R is not the correct explanation of A. (C) A is correct; R is incorrect. (D) R is correct; A is incorrect.

Tardigrade Admin · Accepted Answer

In the presence of air, phenols are slowly oxidised to dark coloured mixtures containing quinones.

Q. Assertion (A) In the presence of air, phenol mixture becomes dark in colour.
Reason (R) Phenols are slowly oxidised to the dark coloured mixture containing quinones.

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

Both A and $R$ are correct; $R$ is not the correct explanation of $A$ .

$A$ is correct; $R$ is incorrect.

$R$ is correct; $A$ is incorrect.

In the presence of air, phenols are slowly oxidised to dark coloured mixtures containing quinones.

Q. Assertion (A) In the presence of air, phenol mixture becomes dark in colour. Reason (R) Phenols are slowly oxidised to the dark coloured mixture containing quinones.

Both A and R are correct; R is the correct explanation of A.

Both A and R are correct; R is not the correct explanation of A.

A is correct; R is incorrect.

R is correct; A is incorrect.

In the presence of air, phenols are slowly oxidised to dark coloured mixtures containing quinones.

Q. Assertion (A) In the presence of air, phenol mixture becomes dark in colour.
Reason (R) Phenols are slowly oxidised to the dark coloured mixture containing quinones.

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

Both A and $R$ are correct; $R$ is not the correct explanation of $A$ .

$A$ is correct; $R$ is incorrect.

$R$ is correct; $A$ is incorrect.