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MgSO ₄ on reaction with NH ₄ OH and Na ₂ HPO ₄ forms a white crystalline precipitate. What is its formula?

Options

  1. AMg ( NH ₄ ) PO ₄
  2. BMg ₃ ( PO ₄ )₂
  3. CMgCl ₂ MgSO ₄
  4. DMgSO ₄

Correct answer

A. Mg ( NH ₄ ) PO ₄

Step-by-step solution

MgSO ₄ on reaction with Na ₂ HPO ₄ (disodium hydrogen phosphate) in presence of NH ₄ OH to give white precipitate of magnesium ammonium phosphate ( Mg ( NH ₄ ) PO ₄ ) .

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