Question

what type of reaction is 2NaNO3 → 2NaNO2 + O₂?

Answer 1

Decomposition reaction

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Answer 2

Explanation:

NaNO3 (aq) → 2 NaNO2 (aq) + O2 (g)

This is an oxidation-reduction (redox) reaction:

2 NV + 4 e- → 2 NIII

(reduction)

2 O-II - 4 e- → 2 O0

(oxidation)

NaNO3 is an oxidizing agent, NaNO3 is a reducing agent