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Coordination Compounds · Question 100

AIPMT 2000MCQEasy📈 Topic in 25% papers+4−1
1

Shape of Fe(CO)5 is

  1. octahedral
  2. square planar
  3. trigonal bipyramidal
  4. square pyramidal

Answer

(3) trigonal bipyramidal

Solution

In Fe(CO)5, Fe is in the zero oxidation state and is bonded to five CO ligands.

Coordination number = 5, hybridisation dsp3

As per NCERT, iron pentacarbonyl is trigonal bipyramidal.

Answer: (3)

AIPMT 2000

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2

Which complex compound will give four isomers?

  1. [Fe(en)3]Cl3
  2. [Co(en)(NH3)2Cl2]Cl
  3. [Fe(PPh3)3NH3ClBr]Cl
  4. [Co(PPh3)3Cl]Cl3
AIPMT 2000

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