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5. Co-ordination chemistry — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry5. Co-ordination chemistry1 Mark
MCQ
Which of the following statement is /are true?
  • ✓
    In metal carbonyls, $d_{C-O}$ is more as compared to that in $CO-$ molecule
  • B
    The 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
  • D
    Facial and meridional isomers are associated with $[Ma_3b_3]^{n±}$ type complex and are optically active
✓

Answer

Correct option: A.
In metal carbonyls, $d_{C-O}$ is more as compared to that in $CO-$ molecule
a

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