Which are explosives?
(1) Wood pulp (dynamite)
(2) Cellulose nitrate (blasting gelatin)
(3) Gun cotton or cellulose nitrate and vaseline (cordite)
(4) All of the above
Ethers are a very good solvent for which type of compounds?
1. Lewis base
2. Acids
3. Lewis acids
4. None of the above
Intermolecular dehydration of alcohol gives:
1. Alkenes
2. Ketones
3. Alkynes
4. Ethers
Product C in the following sequence of reactions is:
\(C_2H_5Br \xrightarrow{NaOH\text{(aq)}}\ A \xrightarrow{Na}\ B\ \xrightarrow{CH_3I}\ C\)
1. | Butane | 2. | Ethane |
3. | Methyl ethyl ether | 4. | Propane |
The reaction of CH3OC2H5 with HI give:-
(1) CH3I only
(2) C2H5OH only
(3) CH3I+C2H5OH
(4) C2H5I+CH3OH
Dunstan’s test is used for identification of:
(1) acetone
(2) alcohol
(3) glycerol
(4) carbonyl compound
Lubricant used in watch is:
(1) coconut oil
(2) pine oil
(3) animal oil
(4) glycerol
The value of C-O-C bond angle in ether molecule is:
1. | 180° | 2. | 150° |
3. | 90° | 4. | 110° |
Pyroligneous acid contains:
(1) CH3COOH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)
(2) C2H5OH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)
(3) CH3COCH3 (10%), C2H5OH (2.5%), CH3OH (0.5%)
(4) none of the above
An aldehyde on treatment with Zn/HCl yields:
1. 1 alcohol
2. 2 alcohol
3. 3 alcohol
4. None of the above