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Which of the following is paramagnetic?
Options
(a) O₂⁻
(b) CN⁻
(c) NO⁺
(d) CO
Correct Answer:
O₂⁻
Explanation:
O₂⁻ (17) = σ1s², σ*1s², σ2s², σ*2s², σ2pₖ², π2pᵢ² = π2pⱼ², π*2pᵢ² = π*2pⱼ¹
Related Questions: - 1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide
- The predominant intermolecular forces in HF is due to
- The first ionization potentials (eV) of Be and B respectively are
- The hybridisation of C₂H₂ is
- For the reversible reaction,The equilibrium shifts in forward direction
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Chemical Bonding and Molecular Structure
(86)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide
- The predominant intermolecular forces in HF is due to
- The first ionization potentials (eV) of Be and B respectively are
- The hybridisation of C₂H₂ is
- For the reversible reaction,The equilibrium shifts in forward direction
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Chemical Bonding and Molecular Structure (86)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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