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Question 21112

NEET Chemistry · Medium

Structure of Atom: Magnetism MCQ

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MagnetismMediumQuestion 21112

Question

Species $O_2^-$ has unpaired electrons and is therefore:

A
Paramagnetic
Correct
B
Diamagnetic
C
Isoelectronic with Ne
D
Noble

Correct answer

Paramagnetic

Explanation

Adding one electron to oxygen molecule still leaves one unpaired electron.

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