Two isomeric ketones 3-Pentanones and 2-Pentanone can be distinguished by:
1. I2/NaOH only
2. NaHSO3 only
3. NaCN/HCl
4. Both of (a) and (b)
Products of the following reaction
CH3CC-CH2CH3 ... are
1. CH3CHO + CH3CH2CHO
2. CH3COOH + CH3COCH3
3. CH3COOH + HOOC-CH2CH3
4. CH3COOH + CO2
Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?
1. | |
2. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_2 \mathrm{CH}_3\) |
3. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_3\) |
4. |
Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore, X and Y are respectively
1. Sodalime and copper
2. Zn dust and NaOH
3. Cu and sodalime
4. Sodalime and zinc dust
Which one of the following on oxidation gives a ketone?
1. primary alcohol
2. secondary alcohol
3. tertiary alcohol
4. All of these
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of -hydroxy acid. The carbonyl compound is
1. acetaldehyde
2. acetone
3. diethyl ketone
4. formaldehyde
Consider the following transformations
CH3COOH ABC The molecular formula of C is
1.
2.
3.
4.
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,
PhenolXYZ
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