JEE MAIN - Chemistry (2024 - 5th April Evening Shift - No. 6)

While preparing crystals of Mohr's salt, dil $$\mathrm{H}_2 \mathrm{SO}_4$$ is added to a mixture of ferrous sulphate and ammonium sulphate, before dissolving this mixture in water, dil $$\mathrm{H_2SO_4}$$ is added here to :

prevent the hydrolysis of ferrous sulphate

prevent the hydrolysis of ammonium sulphate

increase the rate of formation of crystals

make the medium strongly acidic

Explanation

While preparing crystal of Mohr's salt, dil. $$\mathrm{H}_2 \mathrm{SO}_4$$ is added to prevent hydrolysis of ferrous sulphate.

JEE MAIN - Chemistry (2024 - 5th April Evening Shift - No. 6)

Explanation

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