Q. No.
A yellow precipitate with iodine and alkali is given by:
(i). Methyl acetate
(ii). Acetamide
(iii). 2-Hydroxypropane
(iv). Acetophenone
1. (i), and (ii)
2. (ii), and (iii)
3. (iii), and (iv)
4. (iv), and (i)
The Clemmensen reduction of a ketone is carried out in the presence of:
1. - with
2.
3. and as a catalyst
4. Glycol with
Match the compounds given in List-I with List-II and select the suitable option from the code given below:
| List-I | List-II |
|
(a) Benzaldehyde |
(i) Phenolphthalein |
|
(b) Phthalic anhydride |
(ii) Benzoin condensation |
|
(c) Phenyl benzoate |
(iii) Oil of wintergreen |
|
(d) Methyl salicylate |
(iv) Fries rearrangement |
Codes:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (iv) | (i) | (iii) | (ii) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (ii) | (iii) | (iv) | (i) |
| 1. | \(CH_2Br - CHBr - COOH\) |
| 2. |  |
| 3. | \({CH}_{2}{Br}{-}{CH}_{2}{-}{COBr}\) |
| 4. |  |
In a basic medium, acetophenone yields a stable compound A with C2H5ONa.
The structure of A is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Reduction of aldehydes and ketones into hydrocarbons using amalgam and conc. HCl is called:
1. Clemmensen reduction
2. Cope reduction
3. Dow reduction
4. Wolff-Kishner reduction
The compound on hydrolysis of 50% aqueous sodium hydroxide that produces the corresponding alcohol and acid is:
1.
2.
3.
4.
The product formed in aldol condensation is:
| 1. | A \(\beta\)-hydroxy acid |
| 2. | A \(\beta\)-hydroxy aldehyde or a \(\beta\)-hydroxy ketone |
| 3. | An \(\alpha\)-hydroxy aldehyde or ketone |
| 4. | An \(\alpha\)-\(\beta\) unsaturated ester |
© 2024 GoodEd Technologies Pvt. Ltd.