Life Sciences
GATE XL Structure and Bonding PYQs
Build your understanding with focused practice from past exam papers.
How to practice Structure and Bonding
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 21. Imported answers require independent review unless marked reviewed.
Question 14
Open questionXL-PMCQ1 markNeeds review
The CORRECT order of ionic character (in percentage) among the following is
Your answerChoose one option.
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Open questionXL-PNAT1 markNeeds review
Among the following, the number of molecules possessing one or more lone pairs on the central atom is ______________ (in integer).
BeCl₂ SnCl₂ BF₃ NH₃ SF₄ PF₅ and SF₆
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Open questionXL-PMSQ2 marksNeeds review
Among the following, the occupied molecular orbital(s) of carbon monoxide is/are
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 13
Open questionXL-PMCQ1 markNeeds review
The bond order in
species isYour answerChoose one option.
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Open questionXL-PMCQ2 marksNeeds review
A few species are given in Column I. Column II contains the hybrid orbitals used by the central atom of the species for bonding.
The CORRECT match for the species to their central atom hybridization is
(Given: Atomic numbers of B: 5; C: 6; O: 8; F: 9; P: 15; Cl: 17; I: 53)
Column I — Species: i. I₃⁻; ii. PCl₃; iii. BF₃; iv. CO₂
Column II — Hybrid orbitals used by the central atom for bonding: a. sp; b. sp²; c. sp³; d. sp³d
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 25
Open questionXL-PMSQ2 marksNeeds review
The molecule(s) with non-zero dipole moment is/are
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 19
Open questionXL-PNAT1 markNeeds review
The dipole moment (μ) of BrF is 1.42 D and the bond length is 176 pm. The atomic charge distribution (q) in the molecule is _____ (rounded off to two decimal places). (Given: 1 D = 3.3 × 10⁻³⁰ C m; the factor e (electronic charge) = 1.60 × 10⁻¹⁹ C)
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Open questionXL-PMSQ2 marksNeeds review
According to Hard-Soft Acid-Base (HSAB) principle, the CORRECT option(s) for the solubility trend in water is/are
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionXL-PMCQ1 markNeeds review
Among the following, the one having smallest bond angle is
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Open questionXL-PNAT2 marksNeeds review
The total number of 3-centre-2-electron bonds in B
H
is ______ (in integer).Log in to check the answer
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