Write balanced equations for the following reactions :
(a) P _4+ NaOH + H _2 O \longrightarrow
(b) As _4+ Cl _2 \text { (excess) } \longrightarrow
(c) P _4 O _{10}+ H _2 O \longrightarrow
(d) Ca _3 P _2+ H _2 O \longrightarrow
(e) POCl _3+ H _2 O \longrightarrow
(f) HgCl _2+ PH _3 \longrightarrow
(g) Ag + PCl _5 \longrightarrow
(a) P _4+3 NaOH +3 H _2 O \longrightarrow \underset{\text{Phosphine}}{PH _3}+3 NaH _2 PO _2
(b) As _4+10 Cl _2 \longrightarrow 4 AsCl _5
(c) P _4 O _{10}+6 H _2 O \longrightarrow 4 H _3 PO _4
(d) Ca _3 P _2+6 H _2 O \longrightarrow 2 PH _3+3 Ca ( OH )_2
(e) POCl _3+3 H _2 O \longrightarrow H _3 PO _4+3 HCl
(f) 3 HgCl _2+2 PH _3 \longrightarrow Hg _3 P _2+6 HCl
(g) 2 Ag + PCl _5 \longrightarrow 2 AgCl + PCl _3