1.

Complete the following chemical reactions. a. `PbS_(s)+H_(2)O_(2(aq))rarr` b. `MnO_(4(aq))^(ө)+H_(2)O_(2)rarr` c. `CaO_(s)+H_(2)O _((g))rarr` d. `AlCl_(3(g))+H_(2)O _((l ))rarr` e. `Ca_(3)N_(2(s))+H_(2)O _((l))rarr` Classify the above into (a) hydrolysis, (b) redox and (c) hydration reactions.

Answer» a. `PbS_((s))+4 H_(2)O_(2(aq))rarrPbSO_(4(s))+4H_(2)O_((l))`
b. `2MnO_(4(aq))^(ө)+5H_(2)O_(2(aq))+ 6H_((aq))^(o+)to2Mn_(aq)^(2+)+8 H_(2)O_((l))+5O_(2(g))`
c. `CaO_((s))+H_(2)O _((g))rarrCa(OH)_(2(aq))`
d. `AlCl_(3(g))+3H_(2)O _((l))rarrAl(OH)_(3(g))+3HCl_((aq))`
e. `Ca_(3)N_(2(s))+6H_(2)O _((l))rarr3Ca(OH)_(2(aq))+2 NH_(3(aq))`


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