Waec Model Questions Vol1 2017 Chemistry Question 14

Practice objective / multiple choice question 14 from the 2017 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Hard Difficulty
Question 14 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

A 4.20 g sample of an unknown primary alcohol with molecular formula CₙH₂ₙ₊₂O reacts with excess sodium metal according to 2 ROH + 2 Na → 2 RONa + H₂(g). The hydrogen gas collected at 298 K and 1 atm occupies 0.86 L. Determine the value of n (the number of carbon atoms) in the alcohol.

Answer Options

A. 2
Correct Answer B. 3
C. 4
D. 5
Correct Answer
B
Correct Option:
3

About This Question

This is Waec Model Questions Vol1 2017 Chemistry Question 14. It is a objective / multiple choice question from the 2017 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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