Igcse Model Questions Vol1 2021 Chemistry Question 19

Practice objective / multiple choice question 19 from the 2021 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2021 Chemistry Objective / Multiple Choice Medium Difficulty
Question 19 IGCSE_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • objective

A \(2.00\ \text{g}\) sample of a hydrocarbon is burnt completely in excess oxygen, producing \(5.56\ \text{g}\) of carbon dioxide and \(2.24\ \text{g}\) of water. Determine (a) the empirical formula of the hydrocarbon, and (b) its molecular formula given that its molar mass is \(56\ \text{g\ mol}^{-1}\).

Answer Options

A. Empirical formula CH₃; molecular formula C₃H₉
B. Empirical formula C₃H₆; molecular formula C₆H₁₂
Correct Answer C. Empirical formula CH₂; molecular formula C₄H₈
D. Empirical formula C₂H₄; molecular formula C₈H₁₆
Correct Answer
C
Correct Option:
Empirical formula CH₂; molecular formula C₄H₈

About This Question

This is Igcse Model Questions Vol1 2021 Chemistry Question 19. It is one of the objective questions from the 2021 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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