MCQ
$P{H_4}I + NaOH$ forms
- ✓$P{H_3}$
- B$N{H_3}$
- C${P_4}{O_6}$
- D${P_4}{O_{10}}$
$PH _4 I + NaOH \rightarrow PH _3+ H _2 O + NaI$
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$CoCl _{3} . xNH _{3}+ AgNO _{3}( aq ) \rightarrow$
If two equivalents of $AgCl$ precipitate out, then the value of $x$ will be $....$

