What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?
| 1. | 2. | ||
| 3. | 4. | None of these |
Propanal and butanal can produce four different aldol condensation products. The possible structure is/are:
| 1. | ![]() |
| 2. | ![]() |
| 3. | Both (1) and (2) |
| 4. | None of the above |
| 1. | Low electrophilicity in 2,2,6-trimethylcyclohexanone |
| 2. | Less steric crowd in 2,2,6-trimethylcyclohexanone |
| 3. | More steric crowd in 2,2,6-trimethylcyclohexanone |
| 4. | High electrophilicity in 2,2,6-trimethylcyclohexanone |

| (a) | Mg/ Dry ether |
| (b) | Br2 / FeBr3 |
| (c) | CO2 ; H3O+ |
| (d) | HNO3 + H2SO4 |
| 1. | (a) | (b) | (c) | (d) |
| 2. | (b) | (a) | (c) | (d) |
| 3. | (c) | (b) | (a) | (d) |
| 4. | (d) | (b) | (a) | (c) |
The correct sequence of reagents used for the preparation of Phenylacetic acid from benzene are :
| 1. | a= NBS, hv, and heat; b= CH3Cl/Anhyd.AlCl3; C= KMnO4+KOH; d=H3O+ |
| 2. | a= CH3Cl/Anhyd.AlCl3; b= KMnO4+KOH; C= NBS, hv, and heat; d=H3O+ |
| 3. | a= CH3Cl/Anhyd.AlCl3; b= NBS, hv, and heat; C= H3O+; d=KMnO4+KOH |
| 4. | a= CH3Cl/Anhyd.AlCl3; b= NBS, hv, and heat; C= alc.KCN; d=H3O+ |
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) |
Chemical test to distinguish between Pentan-2-one and Pentan-3-one is:
1. Tollen’s test
2. Fehling’s test
3. Iodoform test
4. Ferric chloride test