1.

(a) Complete and balance the following reaction (i) SO_(2) + H_2S overset("Oxidation")(rarr) (ii) FeCl_3 + H_2O overset("Hydrolysis")(rarr) (b) Mention two characteristics of enzyme catalysis (c) What is the sign of DeltaSfor the adsorption of gas on solids?

Answer»

SOLUTION :(a) `SO_(2)+2H_(2)Sunderset("oxidation")to3S+2H_(2)O`
sulphur SOL
`FeCl_(3)+3H_(2)Ounderset( "hydrolysis")Fe(OH)_(3)+3HCI`Cl,
Ferric HYDROXIDE
(b) (i) Enzymes are highly efficient.
(ii) They are highly specific in nature.
(C) `DeltaS` is negative.


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