Neco Model Questions Vol1 2017 Chemistry Question 38

Practice objective / multiple choice question 38 from the 2017 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Hard Difficulty
Question 38 NECO_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

A \(2.00\ \text{g}\) mixture of ethanol (\(\mathrm{C_2H_5OH}\)) and propan‑1‑ol (\(\mathrm{C_3H_7OH}\)) is combusted completely. The combustion yields \(2.06\ \text{L}\) of \(\mathrm{CO_2}\) and \(2.94\ \text{L}\) of \(\mathrm{H_2O}\) at STP. Determine the mass of ethanol and the mass of propan‑1‑ol present in the mixture.

Answer Options

A. Ethanol: 0.95 g; Propan‑1‑ol: 1.05 g
Correct Answer B. Ethanol: 1.19 g; Propan‑1‑ol: 0.81 g
C. Ethanol: 0.80 g; Propan‑1‑ol: 1.20 g
D. Ethanol: 1.30 g; Propan‑1‑ol: 0.70 g
Correct Answer
B
Correct Option:
Ethanol: 1.19 g; Propan‑1‑ol: 0.81 g

About This Question

This is Neco Model Questions Vol1 2017 Chemistry Question 38. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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