Neco Model Questions Vol1 2017 Chemistry Question 2

Practice objective / multiple choice question 2 from the 2017 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Hard Difficulty
Question 2 NECO_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

A hydrocarbon of molar mass \(58\ \text{g·mol}^{-1}\) is completely combusted in excess oxygen, producing \(44.8\ \text{g}\) of carbon dioxide and \(18.0\ \text{g}\) of water. (a) Determine the molecular formula of the hydrocarbon. (b) Calculate the mass of the hydrocarbon that was burned.

Answer Options

Correct Answer A. Molecular formula: C₄H₈; Mass burned: 14.8 g
B. Molecular formula: C₄H₁₀; Mass burned: 15.2 g
C. Molecular formula: C₅H₁₀; Mass burned: 16.5 g
D. Molecular formula: C₃H₆; Mass burned: 12.0 g
Correct Answer
A
Correct Option:
Molecular formula: C₄H₈; Mass burned: 14.8 g

About This Question

This is Neco Model Questions Vol1 2017 Chemistry Question 2. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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