Aldehydes, Ketones and Carboxylic Acids

The product of the following reaction is P. [figure] The number of hydroxyl groups present in the product P is .

Identify major product 'P' formed in the following reaction. [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Identify the name reaction. [figure]

1. Stephen Reaction
2. Etard Reaction
3. Gattermann - Koch Reaction
4. Rosenmund Reduction

[figure] This reduction reaction is known as:

1. Wolff-Kishner reduction
2. Etard reduction
3. Stephen reduction
4. Rosenmund reduction

In the given reactions, identify the reagent A and reagent B. [figure]

1. A - CrO3 B - CrO3
2. A - CrO3 B - CrO2Cl2
3. A - CrO2Cl2 B - CrO3
4. A - CrO2Cl2 B - CrO2Cl2

The compound formed by the reaction of ethanal with semicarbazide contains number of nitrogen atoms.

m-chlorobenzaldehyde on treatment with 50% KOH solution yields :

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The final product A formed in the following multistep reaction sequence is [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

From the compounds given below, number of compounds which give positive Fehling's test is . Benzaldehyde, Acetaldehyde, Acetone, Acetophenone, Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde.

Identify the reagents used for the following conversion [figure]

1. A = LiAlH4, B = NaOH(aq), C = NH2-NH2/KOH, ethylene glycol
2. A = DIBAL-H, B = NaOH(aq), C = NH2-NH2/KOH, ethylene glycol
3. A = LiAlH4, B = NaOH(alc), C = Zn/HCl
4. A = DIBAL-H, B = NaOH(alc), C = Zn/HCl