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What is the process of when zinc granules react with some diluted solution

Posted by Vansh Jamwal 5 years, 5 months ago

CBSE > Class 10 > Science

2 answers

Vansh Jamwal 5 years, 5 months ago

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Gaurav Seth 5 years, 5 months ago

Hydrogen gas and zinc sulphate are formed when zinc granules are treated with sulphuric acid.

Zn + H₂SO₄ ⇨ ZnSO₄ + H₂

Zinc chloride and hydrogen gas are formed, when zinc granules are treated with hydrochloric acid.

Zn + 2HCl ⇨ ZnCl₂ + H₂

Similarly, hydrogen gas and zinc nitrate are formed when zinc granules are treated with nitric acid.

Zn + 2HNO₃ ⇨ Zn(NO₃ )₂ + H₂

Since, zinc is less reactive than sodium, thus no reaction takes place when zinc granules are treated with sodium chloride.

Sodium zincate and hydrogen gas are formed when zinc granules are treated with sodium hydroxide and water.

Zn + 2H₂O + 2NaOH ⇨ Na₂Zn(OH)₄ + H₂

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CBSE > Class 10 > Science