Which of the following are benzylic alcohols?
Choose the correct option
1. (I, II)
2. (II, III)
3. (III, IV)
4. (I, IV)
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. |
Select the correct option based on statements below:
Assertion (A): | p-Nitrophenol is more acidic than phenol. |
Reason (R): | Nitro group helps in the stabilization of the phenoxide ion by dispersal of negative charge due to resonance. |
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): | The IUPAC name of the compoundis 2-ethoxy-2-methylethane. |
Reason (R): | In IUPAC nomenclature, ether is regarded as a hydrocarbon derivative in which a hydrogen atom is replaced by —OR or -OAr group [where, R = alkyl group and Ar = aryl 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. | (A) is false but (R) is true. |
Select the correct option based on the statements below:
Assertion (A): | The bond angle in ethers is slightly less than the angle of tetrahedral. |
Reason (R): | There is repulsion between the two bulky (— R) 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. | (A) is False but (R) is True. |
Select the correct option based on statements below:
Assertion (A): | Boiling points of alcohols and ethers are high. |
Reason (R): | They can form intermolecular hydrogen bonding. |
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. |