JEE Advanced · 2026 · 17 May 2026 · Paper 1 · Chemical Bonding and Molecular Structure

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Consider the following species :

List-I contains different molecular shapes and List-II contains total number of species with the same molecular shapes from the given species. Match each entry in List-I with the appropriate entry in List-II and choose the correct option.
List-IList-II
(P)See-saw(1)One
(Q)T-Shaped(2)two
(R)Trigonal Planar(3)three
(S)Square Pyramidal(4)four
(5)zero
  1. (A)✓ Correct
  2. (B)
  3. (C)
  4. (D)

Answer: (A)

Solution

Analyzing each species:
  • See-saw (P): → 1 species
  • T-shaped (Q): , → 2 species
  • Trigonal Planar (R): None of the given species → 0 species
  • Square Pyramidal (S): , , → 3 species

Other shapes:
  • : Pyramidal
  • : Pyramidal

Correct matching: P→1; Q→2; R→5; S→3

JEE Advanced · 2026 · 17 May 2026 · Paper 1 · Single correct option

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