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4. Chemical bonding and molecular structure — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry4. Chemical bonding and molecular structure1 Mark
MCQ
The structure of ${\left[ {Cu\,{{\left( {{H_2}O} \right)}_4}} \right]^{ + + }}$ ion is
  • ✓
    Square planar
  • B
    Tetrahedral
  • C
    Distorted rectangle
  • D
    Octahedral
✓

Answer

Correct option: A.
Square planar
a
The structure of this ion is square planar. This is explained by $CFT$ which does not involve hybridisation but only ionic interaction. $Cu ^{2+}$ ion has $3 d ^9$ configuration always forms square planar compounds irrespective of nature of the ligand.

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