Question

Zinc sulphate is isomorphous with MgSO4.7H2O. If the atomic weight of Zn is 65, then its equivalent weight will be....?​

Answer 1

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Answer 2

Answer:

Equivalent weight = 32.5 g

Explanation:

Zinc sulphate is isomorphous with magnesium sulphate means :

MgSO₄ = ZnSO₄

Here,

• Zn loses two electrons. So the charge is Zn²⁺

• SO₄ gains two electrons. So the charge is SO₄²⁻

Here,

The h_factor of Zn = 2

∴ Equivalent weight = Atomic weight/h_factor

⇒ Equivalent weight = 65/2

∴ Equivalent weight = 32.5 g