Question:
$ MgSO_4 $ on reaction with $ NH_4OH $ and $ Na_2HPO_4 $ forms a white crystalline precipitate. What is its formula?
$ MgSO_4 $ on reaction with $ NH_4OH $ and $ Na_2HPO_4 $ forms a white crystalline precipitate. What is its formula?
Updated On: Jun 14, 2022
- $ Mg(NH_4)PO_4 $
- $ Mg_3(PO_4)_3 $
- $ MgCl_2 . MgSO_4 $
- $ MgSO_4 $
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The Correct Option is A
Solution and Explanation
Magnesium ammonium phosphate is precipitated out
$ MgSO_4 + NH_4OH + Na_2HPO_4 \rightarrow Mg(NH_4)PO_4 \downarrow + Na_2SO_4 $
$ MgSO_4 + NH_4OH + Na_2HPO_4 \rightarrow Mg(NH_4)PO_4 \downarrow + Na_2SO_4 $
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