Post Utme Greenfield University 2025 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2025 Post Utme Greenfield University Chemistry examination.

Post Utme Greenfield University 2025 Chemistry Objective / Multiple Choice
Question 11 POST_UTME_GREENFIELD_UNIVERSITY • 2025 • CHEMISTRY • objective

The reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl) is highly exothermic. Calculate the s\tandard enthalpy change (ΔH°) for the reaction, given that the s\tandard enthalpy of formation (ΔH°f) for NaOH is -469.8 kJ/mol and for HCl is -92.3 kJ/mol.

Answer Options

A. NaOH + HCl → NaCl + H2O
Correct Answer B. -377.5 kJ/mol
C. NaOH + HCl → NaCl + H2O + heat
D. The reaction is \endothermic
Correct Answer
B
Correct Option:
-377.5 kJ/mol

About This Question

This is Post Utme Greenfield University 2025 Chemistry Question 11. It is one of the objective questions from the 2025 Post Utme Greenfield University Chemistry examination.

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