Post Utme Unilorin 2024 Chemistry Question 7

Practice objective / multiple choice question 7 from the 2024 Post Utme Unilorin Chemistry examination.

Post Utme Unilorin 2024 Chemistry Objective / Multiple Choice
Question 7 POST_UTME_UNILORIN • 2024 • CHEMISTRY • objective

A 2.50-g sample of an unknown hydrocarbon is burned in a bomb calorimeter, and the heat released is 12.5 kJ. If the combustion equation for the hydrocarbon is CxHy + O2 → CO2 + H2O, and the molar mass of the hydrocarbon is 42.0 g/mol, determine the values of x and y.

Answer Options

Correct Answer A. \( x = 2, , y = 6 \)
B. \( x = 3, , y = 4 \)
C. \( x = 4, , y = 2 \)
D. \( x = 5, , y = 1 \)
Correct Answer
A
Correct Option:
\( x = 2, , y = 6 \)

About This Question

This is Post Utme Unilorin 2024 Chemistry Question 7. It is one of the objective questions from the 2024 Post Utme Unilorin Chemistry examination.

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