Use the diagram for the predicted bonding orbitals in hydrogen fluoride, HF, and

Question

Use the diagram for the predicted bonding orbitals in hydrogen fluoride, HF, and decide which of the following statements is not correct.

Assume the molecule is oriented along the z axis.

A. The bonding molecular orbital will consist of the overlap of the 1s hydrogen orbital and a 2p fluorine orbital.

B. The electronegativity of fluorine is greater than that of hydrogen.

C. All of the electrons on the HF molecule will be paired.

D. The degenerate pair of molecular orbitals are the fluorine 2px and 2pz.

Explanation / Answer

Answer D is correct if you look at this picture it will be obvious http://www.andrew.cmu.edu/course/09-105/GIF97_2/MO.38.GIF

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