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4. Chemical bonding and molecular structure — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry4. Chemical bonding and molecular structure1 Mark
MCQ
Which of the following species is paramagnetic?
  • ✓
    $NO^-$
  • B
    $O_2^{2-}$
  • C
    $CN^-$
  • D
    $CO$
✓

Answer

Correct option: A.
$NO^-$
a
$NO^-$ has two $U.P.E.$

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