Neco 2025 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2025 Neco Chemistry examination.

Neco 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 20 NECO • 2025 • CHEMISTRY • objective

A 0.741 g sample of an unknown hydrocarbon containing only C, H and O is combusted completely, producing 1.32 g of \(\mathrm{CO_2}\) and 0.540 g of \(\mathrm{H_2O}\). The compound is known to contain exactly two oxygen atoms per molecule. Determine its molecular formula.

Answer Options

A. C4H8O2
B. C2H4O2
C. C3H8O2
Correct Answer D. C3H6O2
Correct Answer
D
Correct Option:
C3H6O2

About This Question

This is Neco 2025 Chemistry Question 20. It is one of the objective questions from the 2025 Neco Chemistry examination.

Difficulty level: Medium .

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