Neco Model Questions Vol1 2017 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2017 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Hard Difficulty
Question 11 NECO_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

A 5.00 g sample of an unknown monohydric alcohol reacts with excess sodium metal according to \(2\,\text{Na} + 2\,\text{ROH} \rightarrow 2\,\text{NaOR} + \text{H}_2\). The volume of hydrogen gas collected at STP is 1.22 L. (a) Determine the molar mass of the alcohol. (b) Identify the alcohol from the following options: methanol \(\text{CH}_3\text{OH}\), ethanol \(\text{C}_2\text{H}_5\text{OH}\), propan-1-ol \(\text{C}_3\text{H}_7\text{OH}\), butan-1-ol \(\text{C}_4\text{H}_9\text{OH}\).

Answer Options

Correct Answer A. Ethanol (C₂H₅OH)
B. Butan-1-ol (C₄H₉OH)
C. Propan-1-ol (C₃H₇OH)
D. Methanol (CH₃OH)
Correct Answer
A
Correct Option:
Ethanol (C₂H₅OH)

About This Question

This is Neco Model Questions Vol1 2017 Chemistry Question 11. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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