MCQ
In which oxidation state, group 15 elements act as Lewis base?
- ✓- 3
- B+ 5
- C+ 4
- D+ 3
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$\begin{array}{cc}
\phantom{..........}\ce{Br}\phantom{...........}\ce{CH3}\\
\phantom{.......}|\phantom{.............}|\\
\ce{CH3 - CH - CH - CH2 - C - CH3}\\
|\phantom{...................}|\\
\phantom{...}\ce{C2H5}\phantom{...............}\ce{C2H5}\end{array}$