MgSO_4 on reaction with NH_4 OH and Na_2 HPO_4 forms a white...

\mathrm{MgSO}_4

on reaction with

\mathrm{NH}_4 \mathrm{OH}

and

\mathrm{Na}_2 \mathrm{HPO}_4

forms a white crystalline precipitate. What is its formula? MgSO_4 on reaction with NH_4 OH and Na_2 HPO_4 forms a white crystalline precipitate. What is its formula?

MgSO_4 on reaction with NH_4 OH and Na_2 HPO_4 forms a white crystalline precipitate. What is its formula?

Options

A $\mathrm{Mg}\left(\mathrm{NH}_4\right) \mathrm{PO}_4$
B $\mathrm{Mg}_3\left(\mathrm{PO}_4\right)_2$
C $\mathrm{MgCl}_2 \cdot \mathrm{MgSO}_4$
D $\mathrm{MgSO}_4$

Correct answer

A. $\mathrm{Mg}\left(\mathrm{NH}_4\right) \mathrm{PO}_4$

Step-by-step solution

\mathrm{MgSO}_4

on reaction with

\mathrm{Na}_2 \mathrm{HPO}_4

(disodium hydrogen phosphate) in presence of

\mathrm{NH}_4 \mathrm{OH}

to give white precipitate of magnesium ammonium phosphate \left(\mathrm{Mg}\left(\mathrm{NH}_4\right) \mathrm{PO}_4\right)

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