Gujarat BoardEnglish MediumSTD 12 ScienceChemistry5. Co-ordination chemistry1 Mark
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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