MCQ
The compound that is not a Lewis acid is
- A$HSO_4^ - $
- B$AlC{l_3}$
- C$BeC{l_2}$
- ✓$N{H_3}$
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$(A)$ $NO _3^{-}$ $(B)$ $Cl ^{-}$ $(C)$ $SCN ^{-}$ $(D)$ $CN ^{-}$