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Which of the following has the minimum bond length ?
Options
(a) O₂⁺
(b) O₂⁻
(c) O₂²⁻
(d) O₂
Correct Answer:
O₂⁺
Explanation:
Bond order is defined as half of the difference between the number of bonding and antibonding electrons
= (n(b)-n(a))/2
For O₂⁺ = (10-5)/2 = 2.5
For O₂⁻ = (10-7)/2 = 1.5
For O₂²⁻ = (10-8)/2 = 1
For O₂ = (10-6)/2 = 2
This is the highest so, it will have the minimum bond length.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Bleaching powder is obtained by treating chloride with
- Volume of 0.1 M K₂Cr₂O₇ required to oxidize 35 mL of 0.5 M FeSO₄ solution is
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- Gas A is bubbled through slacked lime, a white precipitate is formed.
- If 0.2 gram of an organic compound containing carbon, hydrogen and oxygen
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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