Chemical Bonding And Molecular Structure Ques 106

106. Which of the following does not have a tetrahedral structure?

[1994]

(a) $BH_4^{-}$

(b) $BH_3$

(c) $NH_4^{+}$

(d) $H_2 O$.

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Solution:

  1. (b) $BH_3$ has $s p^{2}$ hybridization and hence does not have tetrahedral structure while all others have tetrahedral structures.