Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called
1. Clemmenson reduction
2. Cope reduction
3. Dow reduction
4. Wolff-Kishner reduction
Aldol condensation will not take place in
1. HCHO
2.
3.
4.
In the below reaction, product 'P' is:
1. | 2. | ||
3. | 4. |
Consider the following reaction,
PhenolXYZ
The product Z is
1. toluene
2. benzaldehyde
3. benzoic acid
4. benzene
The -OH group of an alcohol or the -COOH group of a carboxylic acid can be replaced by -Cl using
1. phosphorus pentachloride
2. hypochlorous acid
3. chlorine
4. hydrochloric acid
What compound results from the catalytic dehydrogenation of a primary alcohol?
1. Aldehyde
2. Ketone
3. Alkene
4. Acid
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
Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in the presence of sulphuric acid and produces
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1.
2.
3.
4.
The compound formed when malonic acid heated with urea, is
1. cinnamic acid
2. butyric acid
3. barbituric acid
4. crotonic acid
What ester produces a white crystalline acid when boiled with KOH, cooled, and acidified with conc. HCl?
1. Methyl acetate
2. Ethyl acetate
3. Ethyl formate
4. Ethyl benzoate