Match the type of alkyl halide from column I with examples from column II and mark the appropriate answer.
| LIST-I | LIST-II |
| A. Primary alkyl halide | I. Chlorophenyl methane |
| B. Secondary alkyl halide | II. Methylene chloride |
| C. Geminal dihalide | III. Isopropyl chloride |
| D. Benzylic halide | IV. Isobutyl chloride |
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → A-IV, B-III, C-II, D-I
A. Primary alkyl halide — This matches IV. Isobutyl chloride. \( \ce{(CH3)2CH-CH2Cl} \); the carbon carrying Cl is attached to one other carbon.
B. Secondary alkyl halide — This matches III. Isopropyl chloride. \( \ce{(CH3)2CH-Cl} \); the carbon carrying Cl is attached to two carbons.
C. Geminal dihalide — This matches II. Methylene chloride. \( \ce{CH2Cl2} \); both halogen atoms are on the same carbon.
D. Benzylic halide — This matches I. Chlorophenyl methane. \( \ce{C6H5CH2Cl} \); the halogen is on an sp3 carbon next to the benzene ring.