Question

Which of the following is not a correct statement?


(1) Multiple bonds are always shorter than corresponding single bonds.


(2) The electron-deficient molecules can act as Lewis acids.


(3) The canonical structures have no real existence.


(4) Every $\sf AB_5$molecule does in fact have square pyramid structure.​

Answer 1

Answer:4)

Explanation:

AB5 molecule has trigonal bipyramidal structure

Answer 2

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• Every $\sf AB_5$molecule does in fact have square pyramid structure.