State why hydrogen is liberated when zinc reacts with dil.HCl but not with dil. HNO3 .

Question

State why hydrogen is liberated when zinc reacts with dil.HCl but not with dil. HNO3 .

State why hydrogen is liberated when zinc reacts with dil.HCl but not with dil. HNO₃ .

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Zinc displace hydrogen from dil. HCl.

Zn + 2HCl(dil.) → ZnCl₂ + H₂

However, when zinc reacts with dil HNO₃ , no hydrogen is obtained. This is because nitric acid is a strong oxidising agent. Nitric acid oxidises the hydrogen produced to water and hence no hydrogen is liberated.

4 views Answered 2023-02-05 15:29