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)
Arrange the compounds in increasing order of rate of reaction towards nucleophilic substitution.
1. (i) < (ii) < (iii)
2. (ii) < (i) < (iii)
3. (iii) < (ii) < (i)
4. (i) < (iii) < (ii)
Which is the correct increasing order of boiling points of the following compounds?
1-iodobutane, 1-bromobutane, 1-chlorobutane, Butane
1. | Butane < 1-chlorobutane < 1-bromobutane < 1-iodobutane |
2. | 1-iodobutane < 1-bromobutane < 1-chlorobutane < Butane |
3. | Butane < 1-iodobutane < 1-bromobutane < 1-chlorobutane |
4. | Butane < 1-chlorobutane < 1-iodobutane < 1-bromobutane |
The correct increasing order of boiling points of the following compounds is:
1-Bromoethane, 1-Bromopropane, 1-Bromobutane, Bromobenzene
1. | Bromobenzene < 1-Bromobutane < 1-Bromopropane < 1-Bromoethane |
2. | Bromobenzene < 1-Bromoethane < 1-Bromopropane < 1-Bromobutane |
3. | 1-Bromopropane < 1-Bromobutane < 1-Bromoethane < Bromobenzene |
4. | 1-Bromoethane < 1-Bromopropane < 1-Bromobutane < Bromobenzene |
Match the compounds given in Column I with the effect given in Column II.
Column l |
Column lI |
A. Chloramphenical |
1. Malaria |
B. Thyroxine |
2. Anaesthetic |
C. Chloroquine |
3. Typhoid fever |
D. Chloroform |
4. Goiter |
5. Blood substituent |
Codes
Options: | A | B | C | D |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 4 | 1 | 2 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 3 | 2 |