1.

Consider the Born - Haber cycle for the formation of a ionic compound given below and identify the compound (Z) formed.

Answer»

MX
`M^(+)X_((G))^(-)`
`M^(+)X^(-)`
`M^(-)X_((s))^(-)`

Solution :The energy released when the requisite number of positive and negative IONS are condensed into crystal toform onemole of the compound is CALLED LATTICE energy.
`M_((g))^(+)+X_((g))^(-)overset(DeltaH_(5))tounderset((Z))(MX_((s)) DeltaH_(5)to`), Lattice energy.
In OPTION (a) state of MX is not given.


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