Question

The structure of IF₇ is *

(a) Octahedral

(b) Trigonal bipyramid

(c) Square pyramid

(d) Pentagonal bipyramid

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Answer 1

Answer:

Option D : Pentagonal Bipyramid

Reason : Hybridisation of iodine is s p 3 d 3

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Answer 2

Answer :

★ Hybridisation : The atomic orbitals of similar energies in the valence shell of the same atom combine with each other resulting in more stable set of orbitals called hybrid orbitals. This process known as hybridisation$.$

★ IF₇ :

• No. of valence e‾ of I = 7
• No. of bond pairs on I = 7
• No. of lone pairs on I = 0
• No. of total pairs : 7
• Hybridisation : sp³d³
• Shape : Pentagonal bipyramidal
• Bond angle : 72° and 90°

∴ (D) is the correct answer.

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