1.

Heat of reaction of which of the following equation expresses the bond energy of HCl :-

Answer»

`HCl(G)toH(g)+CL(g)`
`2HCl(g) to H_(2)(g)+Cl_(2)(g)`
`HCl(g)to(1)/(2)H_(2)(g)+(1)/(2)Cl_(2)(g)`
`HCl(g)toH^(+)(g)+Cl^(-)(g)`.

Answer :A


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