Post Utme Greenfield University 2025 Chemistry Question 14

Practice objective / multiple choice question 14 from the 2025 Post Utme Greenfield University Chemistry examination.

Post Utme Greenfield University 2025 Chemistry Objective / Multiple Choice
Question 14 POST_UTME_GREENFIELD_UNIVERSITY • 2025 • CHEMISTRY • objective

The reaction between hydrogen gas (H2) and oxygen gas (O2) is highly exothermic. Write a balanced chemical equation for the reaction, including the s\tandard enthalpy change (ΔH°) for the reaction.

Answer Options

Correct Answer A. 2H2 + O2 → 2H2O, \u0394H° = -572 kJ/mol
B. H2 + O2 → H2O, \u0394H° = -286 kJ/mol
C. 2H2 + O2 → 2H2O, \u0394H° = -286 kJ/mol
D. H2 + O2 → H2O, \u0394H° = -572 kJ/mol
Correct Answer
A
Correct Option:
2H2 + O2 → 2H2O, \u0394H° = -572 kJ/mol

About This Question

This is Post Utme Greenfield University 2025 Chemistry Question 14. It is one of the objective questions from the 2025 Post Utme Greenfield University Chemistry examination.

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