Organic Basics (GOC) · Structural and stereo isomerism
Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I (Pair of Compounds) | List-II (Type of Isomers) | ||
| A. | 2-Methylpropene and but-1-ene | I. | Stereoisomers |
| B. | Cis-but-2-ene and trans-but-2-ene | II. | Position isomers |
| C. | 2-Butanol and diethyl ether | III. | Chain isomers |
| D. | But-1-ene and but-2-ene | IV. | Functional group isomers |
- (1)A-III, B-I, C-IV, D-II
- (2)A-III, B-I, C-II, D-IV
- (3)A-I, B-IV, C-III, D-II
- (4)A-II, B-I, C-IV, D-III
We corrected a printing error in the original paper
Answer corrected; the source key is (2) — 2-butanol and diethyl ether are functional group isomers (C-IV) and but-1-ene and but-2-ene are position isomers (D-II), which is option (1).
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See the full 21 Jan 2026, Shift 2 paper