Q

Write a balanced chemical equation with state symbols for the following reaction. Potassium hydroxide solution (in water) reacts with nitric acid solution (in water) to produce sodium nitrate solution and water.

RRB Group D, 23-Aug-22 S-2 2022
✓ Answer: B 2KOH(aq) + 2HNO3(aq) → 2KNO3(aq) + 2H2O(l)
In this reaction, potassium hydroxide (KOH) and nitric acid (HNO3) are both aqueous solutions, and they react to form potassium nitrate (KNO3) in aqueous solution and water (H2O) in liquid form: 2KOH(aq) + 2HNO3(aq) → 2KNO3(aq) + 2H2O(l). This is a typical neutralization reaction, where an acid reacts with a base to form a salt and water.
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