Neco Model Questions Vol1 2023 Chemistry Question 46

Practice objective / multiple choice question 46 from the 2023 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Hard Difficulty
Question 46 NECO_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

A colourless liquid A, with molecular mass \(60\ \text{g mol}^{-1}\), reacts with excess sodium metal to liberate \(0.025\ \text{mol}\) of \(\text{H}_2\) gas at STP. On oxidation with acidic \(\text{KMnO}_4\), it yields a carboxylic acid B of molar mass \(74\ \text{g mol}^{-1}\). Given that A contains only C, H and O and is a monohydroxy compound, determine the structural formula of A.

Answer Options

A. CH₃CH(OH)CH₃ (2‑propanol)
B. CH₃CH₂OH (ethanol)
Correct Answer C. CH₃CH₂CH₂OH (1‑propanol)
D. CH₃CH₂CH₂CH₂OH (1‑butanol)
Correct Answer
C
Correct Option:
CH₃CH₂CH₂OH (1‑propanol)

About This Question

This is Neco Model Questions Vol1 2023 Chemistry Question 46. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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