MCQ
Which is not a electrophile
- A$AlC{l_3}$
- B$B{F_3}$
- C${(C{H_3})_3}{C^ + }$
- ✓$N{H_3}$
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$O _{2}^{+}, O _{2}, O _{2}^{-}, O _{2}^{2-}$
For increasing bond order the correct option is ..... .
