Waec Model Questions Vol1 2019 Chemistry Question 9

Practice objective / multiple choice question 9 from the 2019 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2019 Chemistry Objective / Multiple Choice Hard Difficulty
Question 9 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • objective

Cyclohexanol (M = 100.16 g mol⁻¹) is oxidised to cyclohexanone with a yield of 85 %. The cyclohexanone is then reduced with NaBD₄ to give cyclohexanol‑d₁ (M = 101.16 g mol⁻¹) with a yield of 90 %. If the starting mass of cyclohexanol is 10.0 g, calculate the mass of cyclohexanol‑d₁ obtained.

Answer Options

A. 8.50 g
B. 6.85 g
C. 7.00 g
Correct Answer D. 7.74 g
Correct Answer
D
Correct Option:
7.74 g

About This Question

This is Waec Model Questions Vol1 2019 Chemistry Question 9. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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