Select the correct option based on statements below:
Assertion (A): | Ether behave as bases in the presence of mineral acids. |
Reason (R): | It is due to the presence of lone pairs of electrons on the oxygen atom. |
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): | 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. |
Match the structures of the compounds given in Column I with the name of the compounds given in Column II.
Column I | Column II | ||
A. | 1. | Phenetole | |
B. | 2. | o-Cresol | |
C. | 3. | Catechol | |
D. | 4. | Resorcinol |
Codes:
A | B | C | D | |
1. | 2 | 4 | 1 | 3 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |
Match the starting material in Column I with the products formed (Column II) in the reaction with HI.
Column I |
Column II |
||
A. | 1. | ||
B. | 2. | ||
C. | 3. | ||
D. | 4. | ||
5. |
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 5 | 2 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 2 | 1 |
Match the items of Column I with items of Column II.
Column l | Column ll |
A. Solvent used in perfumes | 1. Neutral ferric chloride |
B. Wood spirit | 2. Glycerol |
C. Reagent used for detection of phenolic group | 3. Methanol |
D. By product of soap industry used in cosmetics | 4. Ethanol |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
Match the items of Column I with items of Column II.
Column l |
Column ll |
||
A. |
Reimer-Tiemann reaction |
1. |
Conversion of phenol to o-hydroxysalicylic aid |
B. |
Kolbe's reaction |
2. |
Heated copper at 573K |
C. |
Conversion of 2alcohol to a ketone |
3. |
Reaction of an alkyl halide |
D. |
Williamson's synthesis |
4. |
Conversion of phenol to salicylaldehyde |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 4 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 2 | 3 |
Select the correct option based on statements below:
Assertion (A): | The addition reaction of water to but-1-ene in acidic medium yields butan-1-ol. |
Reason (R): | Addition of water in an acidic medium proceeds through the formation of a primary carbocation. |
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. |