Question

Mg is precipitated from a solution of its salt by NH4OH as per the following reaction
MG2+ + 2NH4OH= Mg(OH)2 + 2NH4
if NH4Cl is also added to the reaction mixture PPT of Mg(OH)² is not obtained.
explain
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Answer 1

Explanation:

in the reaction nh4cl + mg - MgCl2 +NH4

is form and its salt is soluble in water that's why PPT is not obtained