1.

Enthalpy change in the formation of an imaginary lattice Cl^(+)Cl^(-) from Cl_(2)(g) is represented as Delta_(t)H. Given that bond dissociation enthalpy DeltaH_(Ct-ct) =x_(1). Ionisation of chlorine is x_(2), electron gain enthalpy of chlorine is -x_(3) and lattice enthalpy of Cl^(+)Cl^(-) is -x_(4). The value of DeltaH is

Answer»

`x_(1) + x_(2) + x_(3)+x_(4)`
`x_(1) + x_(2)-(x_(3) + x_(4))`
`x_(3) + x_(4) -(x_(1) +x_(2))`
`-(x_(1) + x_(2) + x_(3) +x_(4))`

Answer :B


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