MCQ
The molecule having one unpaired electron is
- ✓$NO$
- B$CO$
- C$C{N^ - }$
- D${O_2}$
$:\mathop N\limits_. ::\mathop O\limits_{..}^{.\,.} :$
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( Given that : ${\left( {\Delta {H^o}_f} \right)_{{H_2}O(g)}} = - 56.0\,\,kcal/mol$ and it is independnet of temperature).......$ K$
