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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${B{orax}}\xrightarrow{X}{H_3}B{O_3}\xrightarrow{\Delta }{B_2}{O_3}\xrightarrow[\Delta ]{Y}B$,
$X$ and $Y$ are respectively
$2{C_{57}}{H_{110}}{O_6}(s)\, + \,163\,{O_2}(g)\, \to \,114\,C{O_2}(g)\, + \,110\,{H_2}O(l)$
which of the following alkyne cannot give ketone