Igcse Model Questions Vol1 2022 Chemistry Question 33

Practice objective / multiple choice question 33 from the 2022 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Medium Difficulty
Question 33 IGCSE_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

5.00 g of cyclohexanol (\(\mathrm{C_6H_{12}O}\), molar mass \(100.2\ \mathrm{g\ mol^{-1}}\)) is oxidised with excess potassium dichromate in acidic medium to give cyclohexanone. If the reaction proceeds with an \(80\%\) isolated yield, what mass of cyclohexanone (\(\mathrm{C_6H_{10}O}\), molar mass \(98.1\ \mathrm{g\ mol^{-1}}\)) is obtained?

Answer Options

A. 4.2 g (to two significant figures)
Correct Answer B. 3.9 g (to two significant figures)
C. 3.5 g (to two significant figures)
D. 4.0 g (to two significant figures)
Correct Answer
B
Correct Option:
3.9 g (to two significant figures)

About This Question

This is Igcse Model Questions Vol1 2022 Chemistry Question 33. It is one of the objective questions from the 2022 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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