- 1(current)
Q. No.IUPAC name of the following compound is:
1. 1-Methoxy-1-methylethane
2. 2-Methoxy-2-methylethane
3. 2-Methoxypropane
4. Isopropylmethyl ether
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 reactions from Column-I with their corresponding descriptions from Column-II and select the correct option.
|
Column-l (Name of Reaction) |
Column-ll (Description of Reaction) |
||
| A. |
Reimer-Tiemann reaction |
I. |
Conversion of phenol to o-hydroxysalicylic aid |
| B. |
Kolbe's reaction |
II. |
Heated copper at 573K |
| C. |
Conversion of 2alcohol to a ketone |
III. |
Reaction of an alkyl halide |
| D. |
Williamson's synthesis |
Iv. |
Conversion of phenol to salicylaldehyde |
Codes:
| A | B | C | D | |
| 1. | II | III | IV | I |
| 2. | III | IV | I | II |
| 3. | I | IV | III | II |
| 4. | IV | I | II | III |
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. |
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. |
- 1(current)
Q. No.
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