Post Utme Esut 2025 Chemistry Question 18

Practice objective / multiple choice question 18 from the 2025 Post Utme Esut Chemistry examination.

Post Utme Esut 2025 Chemistry Objective / Multiple Choice

Question 18 POST_UTME_ESUT • 2025 • CHEMISTRY • objective

The reaction of sodium nitrite with hydrochloric acid yields sodium chloride and nitrogen gas. What is the balanced chemical equation for this reaction?

A. \( NaNO_2 \( aq \ \) + HCl (aq) \rightarrow NaCl (aq) + NO (g) + H_2O (l) )

Correct Answer B. \( 2NaNO_2 \( aq \ \) + 2HCl (aq) \rightarrow 2NaCl (aq) + N_2 (g) + H_2O (l) )

C. \( NaNO_2 \( aq \ \) + 2HCl (aq) \rightarrow NaCl (aq) + NO_2 (g) + H_2O (l) )

D. \( NaNO_2 \( aq \ \) + HCl (aq) \rightarrow NaCl (aq) + NO (g) + H_2O (l) )

Correct Answer

Correct Option:

\( 2NaNO_2 \( aq \ \) + 2HCl (aq) \rightarrow 2NaCl (aq) + N_2 (g) + H_2O (l) )

This is Post Utme Esut 2025 Chemistry Question 18. It is one of the objective questions from the 2025 Post Utme Esut Chemistry examination.

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