Question

Write down the names of the products of the following reactions:

A) Copper sulphate and iron

B) Zinc and Sulphuric acid.

C) Zinc and copper sulphate.​

Answer 1

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Answer:

A. Ferrous sulphate and copper ✓

Explanation:

When a few pieces of iron a dropped into a blue coloured copper sulphate solution. The blue colour of solution fades and eventually turns into light green due to formation of ferrous sulphate.

Fe + CuSO_4 ➝ FeSO_4 + Cu

B. Zinc Sulphate and hydrogen gas.

Explanation:

On adding sulphuric acid to Zinc metal we get zinc sulphate and hydrogen gas is evolved.

H_2SO_4 + Zn ➝ ZnSO_4 + H_2

C. Zinc Sulphate and copper metal.

Explanation:

Take a solution of copper sulphate in a beaker, add a few pieces of zinc and stir with a glass rod. Teh blue colour of the solution gradually fades, and soon the solution becomes colourless. At the time, reddish brown particles of copper settle down in the beaker. Here, zinc displaces copper from its compound copper sulphate.

CuSO_4 + Zn ➝ ZnSO_4 + Cu↓

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