Neco Model Questions Vol1 2025 Chemistry Question 24

Practice objective / multiple choice question 24 from the 2025 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 24 NECO_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

The molecular formula C₅H₁₂O corresponds to a monofunctional alcohol. (a) How many distinct structural isomers are possible for this formula? (b) One of these isomers, when treated with pyridinium chlorochromate (PCC), yields an aldehyde without any skeletal rearrangement. Identify this isomer.

Answer Options

A. 6 isomers; the isomer is 3‑methyl‑1‑butanol
Correct Answer B. 7 isomers; the isomer is 2‑methyl‑1‑butanol
C. 8 isomers; the isomer is 1‑butanol
D. 7 isomers; the isomer is 1‑methyl‑2‑butanol
Correct Answer
B
Correct Option:
7 isomers; the isomer is 2‑methyl‑1‑butanol

About This Question

This is Neco Model Questions Vol1 2025 Chemistry Question 24. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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