Neco Model Questions Vol1 2022 Chemistry Question 25

Practice objective / multiple choice question 25 from the 2022 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Medium Difficulty
Question 25 NECO_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

A compound contains 40.0 % C, 6.7 % H and 53.3 % O by mass. Its molar mass is 180 g·mol\(^{-1}\). Determine its empirical formula and its molecular formula.

Answer Options

A. Empirical formula: CHO; Molecular formula: C₆H₆O₆
B. Empirical formula: C₂H₄O; Molecular formula: C₁₂H₂₄O₁₂
C. Empirical formula: C₃H₆O₃; Molecular formula: C₉H₁₈O₉
Correct Answer D. Empirical formula: CH₂O; Molecular formula: C₆H₁₂O₆
Correct Answer
D
Correct Option:
Empirical formula: CH₂O; Molecular formula: C₆H₁₂O₆

About This Question

This is Neco Model Questions Vol1 2022 Chemistry Question 25. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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