Q. No.The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H3O+ is:
1.
2.
3.
4.
None of these
What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?
| 1. |  |
2. |  |
| 3. |  |
4. | None of these |
The compounds that undergoes the Cannizzaro reaction are:
(i) Methanal
(ii) 2-Methylpentanal
(iii) Benzaldehyde
(iv) Benzophenone
1. (i)
2. (ii)
3. (i), (iii)
4. (i), (ii), (iii)
The correct sequence of reagents used to yield p-Nitrobenzaldehyde from benzene is:
| (a) | CH3Cl /Anhyd. AlCl3 |
| (b) | HNO3 /H2SO4 |
| (c) | CS2 / CrO2Cl2 |
| (d) | H3O+ |
| 1. | (a) | (b) | (c) | (d) |
| 2. | (c) | (b) | (a) | (d) |
| 3. | (b) | (a) | (c) | (d) |
| 4. | (a) | (b) | (d) | (c) |
1. Tollens' test
2. Fehling’s test
3. Iodoform test
4. Sodium bicarbonate test.
| X | Y | |
| 1. | CrO2Cl2/CCl4 | CH3OH / H+ |
| 2. | KMnO4 | CH3OH / H+ |
| 3. | CrO2Cl2/CCl4 | (CH3CO)2O |
| 4. | KMnO4 | (CH3CO)2O |
The compound that does not give an iodoform test is:
1. 3-Pentanone
2. 2-Pentanone
3. Ethanol
4. Ethanal
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) |
The reaction that does not give benzoic acid as the major product is:
| 1. |  \(\xrightarrow{K_2Cr_2O_7}\) |
2. |  \(\xrightarrow[(ii)H_3O^+]{(i)NaOCl}\) |
| 3. | \(\xrightarrow{PCC}\) |
4. | \(\xrightarrow{KMnO_4/H^+}\) |
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