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JEE Main Chemistry Chemical Bonding and Molecular Structure 2026 JEE Main 2026 (28 January Shift 2)

JEE Main Chemistry Question (2026) — Solution

Question

Match List - I with List - II according to shape. \( array llll & List-I & & List-II \\ A. & XeO_3 & I. & BrF_5 \\ B. & XeF_2 & II. & NH_3 \\ C. & XeO_2F_2 & III. & [ I_3 ]^- \\ D. & XeOF_4 & IV. & SF_4 array \) Choose the correct answer from the options given below :

Options

  1. A. A-II, B-III, C-I, D-IV
  2. B. A-II, B-I, C-III, D-IV
  3. C. A-II, B-III, C-IV, D-I
  4. D. A-III, B-II, C-IV, D-I

Answer

C. A-II, B-III, C-IV, D-I

Step-by-step solution

Determine molecular shapes using VSEPR theory: A. XeO₃ (3 bonds, 2 lone pairs on Xe): pyramidal B. XeF₂ (2 bonds, 3 lone pairs on Xe): linear C. XeO₂F₂ (4 bonds, 2 lone pairs on Xe): see-saw D. XeOF₄ (5 bonds, 1 lone pair on Xe): square pyramidal Matching with shapes: I. BrF₅: square pyramidal → D-I II. NH₃: pyramidal → A-II III. [I₃]⁻: linear → B-III IV. SF₄: see-saw → C-IV

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