Post Utme Nile University 2021 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2021 Post Utme Nile University Chemistry examination.

Post Utme Nile University 2021 Chemistry Objective / Multiple Choice
Question 11 POST_UTME_NILE_UNIVERSITY • 2021 • CHEMISTRY • objective

The reaction of nitrogen with oxygen to form nitrogen dioxide is an example of a redox reaction. Write the balanced chemical equation for this reaction, including the s\tandard enthalpy change (ΔH°) and the s\tandard entropy change (ΔS°).

Answer Options

Correct Answer A. 2NO + O2 → 2NO2, ΔH° = -114.2 kJ/mol, ΔS° = -146.4 J/mol K
B. 2NO2 + O2 → 2NO, ΔH° = 114.2 kJ/mol, ΔS° = 146.4 J/mol K
C. 2NO + O2 → 2NO2, ΔH° = 114.2 kJ/mol, ΔS° = 146.4 J/mol K
D. 2NO2 + O2 → 2NO, ΔH° = -114.2 kJ/mol, ΔS° = -146.4 J/mol K
Correct Answer
A
Correct Option:
2NO + O2 → 2NO2, ΔH° = -114.2 kJ/mol, ΔS° = -146.4 J/mol K

About This Question

This is Post Utme Nile University 2021 Chemistry Question 11. It is one of the objective questions from the 2021 Post Utme Nile University Chemistry examination.

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