Select the correct option based on statements below:
Assertion (A): | The solubility of alcohols in water decreases with an increase in the number of carbon atoms. |
Reason (R): | The non-polar alkyl group or the hydrophobic portion supports the solubility of alcohol. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |
Select the correct option based on statements below:
Assertion (A): | Phenol does not react with NaHCO3 but 2,4,6-trinitrophenol does react with the evolution of CO2 |
Reason (R): | 2,4,6-trinitrophenol is a stronger acid than carbolic acid. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Select the correct option based on statements below:
Assertion (A): | Picric acid is more acidic than formic acid. |
Reason (R): | Picric acid has three -COOH groups whereas formic acid has one -COOH group. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
Select the correct option based on statements below:
Assertion (A): | -OH, -OCH3 groups are o, p-directing. |
Reason (R): | Ring is activated by the resonance effect of -OH, -OCH3 groups. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
Amongst the following, the alcohol that reacts with conc. HCl /anhydrous ZnCl2 to form alkyl halide at room temperature, will be
1.
2.
3.
4.
In the following reaction sequence
X and Y are:
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
Major products obtained from t-butyl methyl ether and HI reaction are:
1.
2.
3.
4.
The compound which reacts with excess bromine to produce 2, 4, 6-tribomophenol, is:
1. 1, 3-cyclohexadiene
2. 1, 3-cyclohexanedione
3. Salicylic acid
4. Cyclohexanone
Phenol on treatment with dilute HNO3 gives two products P and Q. P is steam volatile but Q is not. P and Q are, respectively:
1. | |
2. | |
3. | |
4. |
The major product of the following reaction is
1.
2.
3.
4.