Electrophilies are electron seeking species. Which of the following groups contain only electrophiles ?

Options

A. `BF_(3), NH_(3), H_(2)O`
B. `AlCl_(3), SO_(3), NO_(2)^(+)`
C. `NO_(2)^(+), CH_(3)^(+), CH_(3)- overset(+)(C)=O`
D. `C_(2)H_(5)^(-), overset(*)(C)_(2)H_(5), C_(2)H_(5)^(+)`

Answer

B, C

Explanation

(b) and (c) represent groups of all electrophiles.