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Question

Chemistry Question on Chemical bonding and molecular structure

In a regular octahedral molecule, MX6M{{X}_{6}} the number of XMXX-M-X bonds at 180180{}^\circ is

A

three

B

two

C

six

D

four

Answer

three

Explanation

Solution

In octahedral structure MX6,M{{X}_{6}}, the six hybrid orbitals (sp3d2)(s{{p}^{3}}{{d}^{2}}) are directed towards the corners of a regular octahedral with an angle of 9090{}^\circ . According to following structure of MX6,M{{X}_{6}}, the number of XMXX-M-X bonds at 180180^\circ must be three.