Chemical Bonding - Result Question 95
####71. Predict whether the following molecules are isostructural or not. Justify your answer. (i) $NMe _3$ (ii) $N\left(SiMe _3\right) _3$
(2005, 2M)
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Solution:
- $No$, (i) $NMe _3$ is pyramidal while (ii) $N\left(SiMe _3\right) _3$ is planar. In the latter case, $p \pi-d \pi$ back bonding between $N$ and Si makes $N$ $s p^{2}$-hybridised.
