A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of αα-hydroxy acid. The carbonyl compound is
1. acetaldehyde
2. acetone
3. diethyl ketone
4. formaldehyde
Consider the following transformations
CH3COOH CaCO3→CaCO3−−−→Aheat→heat−→BI2→NaOHI2−−−→NaOHC The molecular formula of C is
1. CH3-OH|C|I-CH3CH3−OH|C|I−CH3
2. ICH2-COCH3ICH2−COCH3
3. CHI3CHI3
4. CH3ICH3I
A and B in the following reactions are HCN/→KCNHCN/−−−→KCNAB→B→
1. A=RR'CH2CNRR′CH2CN, B=NaOH
2. A=, B=CH3CH3
3. A=, B=CH3CH3
4. A=, B=LiAlH4LiAlH4
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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
Consider the following reaction,
PhenolZn-dust→Zn−dust−−−−→XCH3Cl→Anhy.AlCl3CH3Cl−−−−−−→Anhy.AlCl3YAlk.KMnO4→Alk.KMnO4−−−−−−→Z
The product Z is
1. toluene
2. benzaldehyde
3. benzoic acid
4. benzene
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. CH3CHOCH3CHO
3. CH3COCH3CH3COCH3
4. CH3CH2CHOCH3CH2CHO
In the below reaction, product 'P' is:
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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
An ester is boiled with KOH. The product is cooled and acidified with conc. HCl. A white crystalline acid separates. The ester is
1. methyl acetate
2. ethyl acetate
3. ethyl formate
4. ethyl benzoate