1.

Which of the following is not a correct statement ?A. Every `AB_5` molecule does in fact have square pyramind sructureB. Multiple bonds are always shorter than corresponding single bondsC. The electron-deficient molecules can act as Lewis acidsD. The canonical structures have non real existence

Answer» Correct Answer - A
`I` in `IF_5` is `sp^3 d^2 `-hybridised and thus square pyramidal P in `PCl_5` is ` sp^3` d-hybridised and thus trigonal biuramid .


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