1.

Statement-1: In OC-M-CO if one CO is replaced by better pi-acceptor ligand than CO, then stretching frequency of C-O bond increases. Statement-2: If replaced ligand is better pi-acceptor, it will reduce the flowof electron in the pi^(**) orbital of CO.

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 :A


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