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Q. No.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
Subtopic: Phenols: Preparation & Properties |
82%
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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 |
Subtopic: Ethers: Preparation & Properties, Uses |
91%
From NCERT
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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 |
Subtopic: Alcohols: Preparation & Properties |
77%
From NCERT
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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 |
Subtopic: Ethers: Preparation & Properties, Uses |
90%
From NCERT
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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. |
Subtopic: Alcohols: Preparation & Properties |
64%
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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. |
Subtopic: Alcohols: Preparation & Properties |
85%
From NCERT
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Select the correct option based on statements below:
| Assertion (A): | The IUPAC name of the compound is 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. |
Subtopic: Ethers: Preparation & Properties, Uses |
59%
From NCERT
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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. |
Subtopic: Ethers: Preparation & Properties, Uses |
58%
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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. |
Subtopic: Alcohols: Preparation & Properties |
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Select the correct option based on statements below:
| Assertion (A): | Like the bromination of benzene, bromination of phenol is carried out in the presence of Lewis acid. |
| Reason (R): | Lewis acid polarizes the bromine molecule. |
| 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. |
Subtopic: Electrophilic Substitution Reactions, Uses of Phenols |
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