1.

For metal complexes (i) [PtCl_(3)(C_(2)H_(4))]^(-) and (ii) [PtCl_(3)(C_(2)F_(4))]^(-) the correct statement is/ are that:

Answer»

Carbon-carbon BOND length is SAE both in (i) and (ii)
carbon-carbon bond length in (i) is smaller than in (ii)
carbon-carbon bond length in (i) is larger than in (ii).
chelation takes place in both the complexes.

Solution :
The hybrid orbital to which F is ATTACH contains more p-character than other hybrid ORBITALS. [bent's rule] so`C-F` bond length increases and other bond length DECREASES in the same molecule.


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