Which of the following molecules would have a carbon-halogen bond most susceptible to nucleophilic substitution ?
(1) 2-Fluorobutane
(2) 2-Chlorobutane
(3) 2-Bromobutane
(4) 2-Iodobutane
When benzyl chloride is treated with ethanolic KCN, the major product formed is:-
(1) benzyl ethyl ether
(2) benzyl alcohol
(3) benzyl cyanide
(4) benzyl isocyanide
Grignard reagent shows addition on:
1. >C=O
2. -CN
3. >C=S
4. all of these
Pick up the correct statement about alkyl halides:-
1. They show H-bonding.
2. They are soluble in water.
3. They are soluble in organic solvents.
4. They do not contain any polar bond.
Chlorination of CS2 gives:
(1) CCl4
(2) CS2Cl2
(3) CH4
(4) CHCl3
Sodium ethoxide reacts with ethyl iodide to yield:
1. CH3CH3
2. C2H5OCH3
3. C2H5OC2H5
4. none of these
Which set of reagents will produce freon (CCl2F2)?
1. C + F2 + Cl2
2. CH3Cl + F2
3. CCl4 + HF
4. CCl4 + F2
1. | It is inflammable. | 2. | It gives a peroxide. |
3. | It undergoes rapid chlorination. | 4. | It is oxidized to poisonous phosgene. |
Which statement is correct ?
(1) C2H5Br reacts with alcoholic KOH to form C2H5OH
(2) C2H5Br when treated with metallic sodium gives ethane
(3) C2H5Br when treated with sodium ethoxide forms diethyl ether
(4) C2H5Br with AgCN forms ethyl cyanide
CH3NH2 reacts with CH3MgX to give:
(1) acetone
(2) alcohol
(3) methane
(4) ethane