Which of the following can act as a Lewis base?
Which of the following can act as a Lewis base?
A. `NCl_(3)`
B. `PCl_(3)`
C. `SbCl_(3)`
D. `NBr_(3)`
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Correct Answer - A::D
Trifluorides and trichlorides of P and Sb such as `PCl_(3)` and `SbCl_(3` act as Lewis acid. `NCl_(3)` and `NBr_(3)` act as Lewis base (All trihalides of N axcept `NF_(3)` act as Lewis base).
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