MCQ
Which of the following statement is /are true?
- ✓In metal carbonyls, $d_{C-O}$ is more as compared to that in $CO-$ molecule
- BThe pair of compounds $[Cr(H_2O)_6]Cl_3$ and $[CrCl_3(H_2O)_3] 3H_2O$ show hydrate isomerism
- C$d_z^2$ orbital of central metal atom/ion is used in $dsp^2$ hybridisation
- DFacial and meridional isomers are associated with $[Ma_3b_3]^{n±}$ type complex and are optically active