X | Y | |
1. | CrO2Cl2/CCl4 | CH3OH / H+ |
2. | KMnO4 | CH3OH / H+ |
3. | CrO2Cl2/CCl4 | CH3CO2O |
4. | KMnO4 | CH3CO2O |
Which chemical test is used to distinguish between benzoic acid and ethyl benzoate?
1. Tollens' test
2. Fehling’s test
3. Iodoform test
4. Sodium bicarbonate test.
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) |
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)
What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?
1. | 2. | ||
3. | 4. | None of these |
The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H3O+ is:
1. | 2. | ||
3. | 4. | None of these |
The below structure is an example of :
1. | Cyanohydrin | 2. | Hemiacetal |
3. | Acetal | 4. | Cyanoalcohol |
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. | \(\xrightarrow{KMnO_4/H^+}\) |