Question

Why HNO3 is not used in laboratory preparation of hydrogen

Answer 1

Answer: Nitric acid not used in thelaboratory preparation of hydrogen. This is because nitric acid is a strong oxidising agent, and oxidises hydrogengas to convert it into the water. ... sulphuric acid and dilute hydrochloric acid do not oxidise hydrogen into water hence preferred for thepreparation of hydrogen gas.

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Answer 2

Nitric acid not used in the laboratory preparation of hydrogen. This is because nitric acid is a strong oxidising agent, and oxidises hydrogen gas to convert it into the water. ... sulphuric acid and dilute hydrochloric acid do not oxidise hydrogen into water hence preferred for the preparation of hydrogen gas.