Among acetic acid, phenol and n-hexanol which one of the following compound will react with NaHCO3 solution to give sodium salt and CO2?
1. Acetic acid
2. n-Hexanol
3. Acetic acid and Phenol
4. Phenol
The compound that does not yield a positive result in the iodoform test is:
1. 2-Pentanone
2. Ethanol
3. Ethanal
4. 3-Pentanone
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