MCQ
Which of the following is Lewis acid
  • $B{F_3}$
  • B
    $C{l^ - }$
  • C
    ${H_2}O$
  • D
    $N{H_3}$

Answer

Correct option: A.
$B{F_3}$
(a)$B{F_3}$ is a Lewis acid because $‘B’ $ has incomplete octet.

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