Select the correct option based on statements below:
Assertion (A): | The boiling points of alkyl halides decrease in the order RI> RBr > RCl > RF |
Reason (R): | The boiling points of alkyl chlorides, bromides, and iodides are considerably higher than those of the hydrocarbons of comparable molecular mass. |
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. |
Match the items in column I with the column II.
Column I: Structures | Column II: IUPAC name |
a. ![]() |
i. 4-Bromo- 3-methylpent-2-ene |
b. ![]() |
ii. 3-Bromo-2-methylpropene |
c. ![]() |
iii. 1-Bromo-2-methylbut-2-ene |
d. ![]() |
iv. 4-Bromopent-2-ene |
1. a=iii; b=iv; c=i; d=ii
2. a=ii; b=iv; c=i; d=iii
3. a=iv; b=i; c=ii; d=iii
4. a=iv; b=ii, c=iv; d=iii
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) |
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 |