What should be the correct IUPAC name for diethylbromomethane?
1. | 1-Bromo-1,1-diethylmethane |
2. | 3-Bromopentane |
3. | 1-Bromo-1-ethylpropane |
4. | 1-Bromopentane |
The reaction of toluene with chlorine in the presence of iron and in the
absence of light produces:-
1.
2.
3.
4. Mixture of 2 and 3
Chloromethane on treatment with excess of ammonia yields mainly:
1. | N, N-dimethylmethanamine |
2. | N-methylmethanamine (CH3 —NH—CH3 ) |
3. | Methanamine (CH3 NH2 ) |
4. | Mixture containing all these in equal proportion. |
Molecules whose mirror image is non-superimposable over them are
known as chiral. Which of the following molecules is chiral in nature?
1. 2 -Bromobutane
2. 1-Bromobutane
3. 2-Bromopropane
4. 2-Bromopropan-2-ol
Reaction of with aqueous sodium hydroxide follows ........ .
1. S1mechanism
2. S2 mechanism
3. Any of the above wo depending upon the temperature of reaction
4. Saytzetf rule
Which of the carbon atoms present in the molecule given below are asymmetric?
1. 1, 2, 3, 4
2. 2, 3
3. 1, 4
4. 1, 2, 3
Which of the following compounds will give racemic mixture on nucleophilic substitution by OH ion?
(i) | |
(ii) | |
(iii) |
1. (iii)
2. (i), (ii) and (iii)
3. (ii) and (iii)
4. (i) and (iii)
Arrange the compounds in increasing order of rate of reaction towards nucleophilic substitution.
1. (i)< (ii)< (iii)
2. (iii)< (ii)< (i)
3. (i)< (iii) <(ii)
4. (iii)< (i)< (ii)
Arrange the compounds in increasing order of rate of reaction towards nucleophilic substitution reaction:
(i) | (ii) | (iii) |
1. (i) < (ii) < (iii)
2. (i) < (iii) < (ii)
3. (iii) < (ii) < (i)
4. (ii) < (iii) < (i)
Arrange the compounds in increasing order of rate of reaction towards nucleophilic substitution.
1. (iii) < (ii) < (i)
2. (ii) < (iii) < (iii)
3. (i) < (iii) < (ii)
4. (i) <(ii) < (iii)