Q. No.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)
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:
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 |
Match the items in Column I and Column II.
| Column l | Column ll |
| A. SN1 reaction | 1. Vic-dibromide |
| B. Elimination of HX from an alkyl halide | 2. Chlorobromocarbons |
| C. Bromination of alkenes | 3. Racemisation |
| D. Chemicals in fire extinguisher | 4. Saytzeff rule |
Codes:
| A | B | C | D | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 4 | 1 | 2 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 3 | 2 |
Match the structures of compounds given in Column I with the classes of compounds given in Column II.
| Column I | Column II | ||
| A. |  |
1. | Aryl halide |
| B. |  |
2. | Alkyl halide |
| C. |  |
3. | Vinyl halide |
| D. |  |
4. | Allylic halide |
Codes:
| A | B | C | D | |
| 1. | 2 | 4 | 1 | 3 |
| 2. | 3 | 4 | 1 | 2 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 3 | 2 |
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