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Question 600336
JEE Chemistry · Medium

Chemical Bonding: VSEPR MCQ

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VSEPRMediumQuestion 600336

Question

The structure of I₃⁻ (3 lone pairs on central I, 2 bonding domains) is:
  1. A
    Bent
  2. B
    Linear
    Correct
  3. C
    Trigonal planar
  4. D
    T-shaped

Correct answer

Linear

Explanation

I₃⁻: central I has 2 I−I bonds + 3 lone pairs = 5 electron pairs → sp³d, trigonal bipyramidal electron geometry. The 3 lone pairs occupy equatorial positions → 2 axial bonding positions → linear shape.

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