Solved UPSC CDS/OTA Question
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Q · Chemical Bonding Medium · 45s
Which of the following species has the highest bond order?
TopicChemical Bonding
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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NO⁺ has a bond order of 3, higher than CO (3), O₂⁻ (1.5), and CN⁻ (2.5). Bond order is calculated as (bonding electrons - antibonding electrons)/2.
Final Answer: Option B - NO⁺