| ⇦ | 
| ⇨ |
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: - The species Ar,K⁺ and Ca²⁺ contain the same number of electrons.
- The equilibrium weight of MnSO₄ is M/2 when it changes into
- Oxidation number of Fe in Fe(CO)₅ is
- The correct order of increasing bond length of C–H, C–O, C–C and C=C is
- NH₃ is added BF₃ by
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
- The species Ar,K⁺ and Ca²⁺ contain the same number of electrons.
- The equilibrium weight of MnSO₄ is M/2 when it changes into
- Oxidation number of Fe in Fe(CO)₅ is
- The correct order of increasing bond length of C–H, C–O, C–C and C=C is
- NH₃ is added BF₃ by
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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply