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NEET2024Chemistryd and f Block ElementsActual

During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of Fe ²⁺ ion?

Options

  1. Aconcentrated sulphuric acid
  2. Bdilute nitric acid
  3. Cdilute sulphuric acid
  4. Ddilute hydrochloric acid

Correct answer

C. dilute sulphuric acid

Step-by-step solution

During the preparation of Mohr's salt, dilute sulphuric acid is added to prevent the hydrolysis of Fe ²⁺ ion.

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