Qualitative Analysis - Result Question 8

####8. $MgSO _4$ on reaction with $NH _4 OH$ and $Na _2 HPO _4$ forms a white crystalline precipitate. What is its formula?

(2006)

(a) $Mg\left(NH _4\right) PO _4$

(b) $Mg _3\left(PO _4\right) _2$

(c) $MgCl _2 \cdot MgSO _4$

(d) $MgSO _4$

Show Answer

Answer:

Correct Answer: 8. (a)

Solution:

  1. $MgSO _4+NH _4 OH+Na _2 HPO _4 \longrightarrow Mg\left(NH _4\right) PO _4 \downarrow$

White

$$ +Na _2 SO _4+H _2 O $$



NCERT Chapter Video Solution

Dual Pane