Complete the following chemical reactions
(i)`PbS_((s)) + H_2O_(2(aq)) to`
(ii)`MnO_(4(aq))^(-)+ H_2O_(2(aq)) to`
(iii) `CaO_((s)) + H_2O_((g)) to`
(iv)`AlCl_(3(g)) + H_2O_((l)) to`
(v)`Ca_3N_(2(s)) + H_2O_((l)) to`
Classify the above into (a) hydrolysis , (b) redox and (c) hydration reactions.

Explanation

(i)`PbS_((s)) + 4H_2O_(2(aq)) to PbSO_(4(s)) + 4H_2O_((l))` (redox reaction)
(ii)`2MnO_(4(aq))^(-) + 5H_2O_(2(l)) + 6H_((aq))^(+) to 2Mn_((aq))^(2+) + 8H_2O_((l)) + 5O_(2(g))` (redox reaction)
(iii)`CaO_((s)) + H_2O_((g)) to Ca(OH)_(2(aq))` (hydrolysis reaction)
(iv)`AlCl_(3(g)) + 6H_2O_((l)) to [Al(OH_2)_6]_((aq))^(3+) + 3Cl_((aq))^(-)` (hydration reaction)
(v) `Ca_3N_(2(s)) + 6H_2O_((l)) to 3Ca(OH)_(2(aq)) + 2NH_(3(aq))` (hydrolysis reaction)