MCQ
The strongest Lewis base in the following
- ✓$C{H_3}^ - $
- B${F^ - }$
- C$N{H_2}^ - $
- D$O{H^ - }$
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$X$ and $Y$ are
(image) $\xrightarrow[{KCN}]{{CuCN}}P\xrightarrow{{LiAl{H_4}}}Q\xrightarrow{{HN{O_2}}}X$
$[{R_H} = 1 \times {10^5}\,c{m^{ - 1}},\,h\, = 6.6\, \times {10^{ - 34}}\,Js\,\,c = 3\, \times \,{10^8}\,m{s^{ - 1}}]$