Complete the following chemical equations :
(i) `K_(2)HgI_(4) + NH_(3) overset(KOH)rarr`
(ii) `I_(2) + HNO_(3) overset(Delta)rarr`
(iii) `H(2)SO_(4) + PCI_(5) rarr`
(iv) `K_(4)[Fe(CN)_(6)] + H_(2)SO_(4) + H_(2)O overset(Delta)rarr`
(v) `RbICl_(2) overset(Delta)rarr`

NH_(4)NO_(3) overset(Delta)rarr X +H_(2)O , NH_(4)NO_(2) overset(Delta)rarr Y +H_(2)O then X =______ and Y =_______

Find the number of following reactions which are involved in roasting process : (i) S_(8) + 8 O_(2) overset (Delta)rarr 8SO_(2) uarr (ii) P_(4) + 5O_(2) overset (Delta) rarr P_(4) O_(10) uarr (iii) 4 As + 3O_(2) overset (Delta) rarr 2 As_(2) O_(3) uarr (iv) 2ZnS + 3 O overset (Delta) rarr 2 ZnO + 2SO_(2) uarr (v) ZnCO_(3) overset (Delta) rarr 4 ZnO + CO_(2) uarr .

Complete the following equations : (i) C_(6)H_(5)OH+Br_(2)overset(H_(2)O)(rarr) (ii) C_(6)H_(5)OH +CHCl_(3)underset(343K)overset(NaOH(aq.))(rarr) (iii) C_(6)H_(5)OH+HNO_(3)overset(H_(2)SO_(4)("conc."))(rarr) (iv) C_(6)H_(5)ONa+CO_(2)underset(4-7atm)overset(398K)(rarr) (v) C_(6)H_(5)OH+(C_(2)H_(5))_(2)SO_(4)underset(Delta)overset(NaOH(aq.))(rarr) (vi) C_(6)H_(5)ONa+CH_(3)OHunderset(Delta)overset(ThO_(2))(rarr) (vii) C_(6)H_(5)OH+(CH_(3)CO)_(2)Ounderset(orCH_(3)COONa)overset("Pyridine")(rarr) (viii) C_(6)H_(5)OH+CH_(3)Cloverset(AlCl_(3)("anhyde."))(rarr)

overset (NaBH_4) (rarr) overset ((i) H_2O^+)underset (Delta) (rarr) A, A is .

How many of the following reaction would produce phosphine gas ? (a) PH_(4)Cl+NaOH rarr " " (b) P_(4)+NaOH overset(Delta) rarr ( c) Ca_(3)P_(2)+H_(2)O rarr " " (d)H_(3)PO_(3) overset(Delta) rarr (e ) PCl_(5)+H_(2)SO_(4) rarr " " (f) H_(3)PO_(2) overset(Delta) rarr (g) P_(2)Cl_(4)+H_(2)O rarr " " (h) AlP+H_(2)O overset( Delta) rarr (i) P_(4)O_(10)+H_(2)O rarr

Identify Z in the following sequence of reactions - CH_(3)COONH_(4) overset(Delta)rarr X overset(P_(2)O_(5))rarr Y overset(H_(2)O//H)rarr Z