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JEE Main Chemistry question

ChemistryChemical Bonding and Molecular StructureJEE Main

Among and , the number of diamagnetic species is (atomic numbers: H=1, He=2, Li=3, Be=4, B=5, C=6, N=7, O=8, F=9) **[JEE Advanced 2017]**

Answer: 6

Solution

Bond orders / magnetism: (BO 1, diamagnetic), (BO 0.5, 1 unpaired electron, paramagnetic), (BO 1, diamagnetic), (BO 0, technically non-bonding but all paired), (BO 2, all

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Question ID VK-156877