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STD 12 - 5. Co-ordination chemistry — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 5. Co-ordination chemistry4 Marks
MCQ
The structure of iron pentacarbonyl is:
  • A
    Square planar
  • ✓
    Trigonal bipyramid
  • C
    Triangular
  • D
    None of these
✓

Answer

Correct option: B.
Trigonal bipyramid
b
$Fe ( CO )_{5}$ adopts a trigonal bipyramidal structure with the Fe atom surrounded by five CO ligands: three in equatorial positions and two axially bound. The Fe-C-O linkages are each linear.

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