Complete the following reactions :
(i) `NH_(4)Cl(aq) overset("heat") to (ii) P_(4)+NaOH+H_(2)O to`
(iii) `Xe (g) +F_( 2)(g) overset(673 K)underset(1 " bar")to " " (iv) Sn +PCl_(5) overset("heat") to `
(v)`HgCl_(2)+PH_(3) to `

Explanation

(i) `NH_(4)Cl(aq) +NaNO_(2)(aq) overset("heat") to NaCl(aq) +N_(2)(g)+2H_(2)O(aq)`
(ii) ` P_(4)+3NaOH+3H_(2)O to 3NaHPO_(2)+PH_(3)`
(iii) `Xe(g) +F_(2)(g) overset(673 K)underset(1 " bar")to XeF_(2)(s)`
(iv)`Sn+2PCl_(5) overset("heat") to SnCl_(4) +2PCl_(3)`
(v) `3HgCl_(2) +2PH_(3) to Hg_(3)P_(2)+6HCl`.