1.

Statement-1: In Zeise's salt relative to free ethylene, the C-C bond is lengthened slightly from 133.7 pm to 137.5 pm. Statement-2: The bond between the ethylene molecule and the metal ion may be considered as a dative sigma-bond to an available orbital on the metal in Zeise's salt.

Answer»

Statement-1 is TRUE, Statement-2 is True , Statement-2 is a CORRECT EXPLANATION for Statement-1.
Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.
Statement-1 is True, Statement-2 is FALSE.
Statement-1 is False, Statement-2 is True.

Answer :B


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