`CuO(s)+H_(2)rarr`

Identify oxidant in reaction given below : CuO(s)+ H_(2)(g) rarr Cu(s)+H_(2)O(g)

For which of the reactions, Delta S is not positive : I_2(s) rarr I_2(g) , CuO(s)+H_2(g) rarr Cu(s)+H_2 O(l) , 2 O_3(g) rarr 3 O_2(~g) , CH_4(g)+2 O_2(g) rarr CO_2(g)+2 H_2 O(g)

Justify that the following reaction are redox reactions: a. CuO(s)+H_(2)(g)rarr Cu(s)+H_(2)O(g) b. Fe_(2)O_(3)(s)+3CO(g)rarr 2Fe(s)+3CO_(2)(g) c. 4BCl_(3)(g)+3LiAlH_(4)(s) rarr 2B_(2)H_(6)(g)+3LiCl(s)+3AlCl_(3)(s) d. 2K(s)+F_(2)(g)rarr 2K^(o+)F^(Θ)(s) e. 4NH_(3)(g)+5O_(2)(g)rarr 4NO(g)+6H_(2)O(g)

Justify that the following reaction are redox reactions: a. CuO(s)+H_(2)(g)rarr Cu(s)+H_(2)O(g) b. Fe_(2)O_(3)(s)+3CO(g)rarr 2Fe(s)+3CO_(2)(g) c. 4BCl_(3)(g)+3LiAlH_(4)(s) rarr 2B_(2)H_(6)(g)+3LiCl(s)+3AlCl_(3)(s) d. 2K(s)+F_(2)(g)rarr 2K^(o+)F^(Θ)(s) e. 4NH_(3)(g)+5O_(2)(g)rarr 4NO(g)+6H_(2)O(g)

CuO + H_(2) rarr Cu + H_(2) O (i) in this reaction name the reaction : (ii) that is reduced.

Identify the substances that are oxidised and the substance that are reduced in the following reaction: CuO(s) + H2(g)rarrCu(s) + H2O(I)