MCQ
Which one is lewis acid ?
- A$NH_3$
- B$CH_3CH_2CH_3$
- C$H_2O$
- ✓$AlCl_3$
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Statement $(I)$ : A $\pi$ bonding $MO$has lower electron density above and below the inter-nuclear asix.
Statement $(II)$ : The $\pi^*$ antibonding $MO$ has a node between the nucles.In the light of the above statements, choose the most appropriate answer from the options given below:

| List $I$ (molecules/ions) | List $II$ (No. of lone pairs of $e ^{-}$ on central atom) |
| $A$ $IF_7$ | $I$ Three |
| $B$ $ICl^{-}_4$ | $II$ One |
| $C$ $XeF_6$ | $III$ Two |
| $D$ $XeF_2$ | $IV$ Zero |
Choose the correct answer from the options given below: