Q. No.Compound(s) among the following with an asterisk (*) asymmetric carbon is/are:
1. (a), (b), (c), (d)
2. (a), (b), (c)
3. (b), (c), (d)
4. (a), (c), (d)
2. (a), (b), (c)
3. (b), (c), (d)
4. (a), (c), (d)
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)
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 |
Match the structures given in Column-I with the IUPAC names in Column-II.
| Column-I (Structure) | Column-II (IUPAC Name) | ||
| A. |  |
(i) | 4-Bromopent-2-ene |
| B. |  |
(ii) | 4-Bromo-3-methylpent-2-ene |
| C. |  |
(iii) | 1-Bromobut-2-ene |
| D. |  |
(iv) | 1-Bromo-2-methylpent-2-ene |
Codes:
| A | B | C | D | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (iv) | (i) | (iii) | (ii) |
The correct match of column I (Reactions) with column II (Name of reactions) is:
| Column I | Column II | ||
| A. |  |
1. | Fittig reaction |
| B. |  |
2. | Wurtz-Fittig reaction |
| C. |  |
3. | Finkelstein reaction |
| D. |  |
4. | Sandmeyer reaction |
Codes:
| A | B | C | D | |
| 1. | 2 | 1 | 4 | 3 |
| 2. | 3 | 1 | 4 | 2 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 3 | 2 |
Consider the given two statements:
| Assertion (A): | KCN reacts with methyl chloride to give methyl isocyanide. |
| Reason (R): | \(CN^-\) is an ambident nucleophile. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
The most suitable reagent for the following conversion is:
\(\begin{align} CH_3CH_2CH_2CH_3 \rightarrow\ & CH_3CH_2CH_2CH_2Cl\ +\ \\ & CH_3CH_2CHClCH_3\end{align} \)
1. Cl2/UV light
2. NaCl + H2SO4
3. Cl2 gas in dark
4. Cl2 gas in the presence of iron in dark
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