Chemical Bonding And Molecular Structure Ques 92

92. In a regular octahedral molecule, $M X_6$ the number of $X$ - $M$ - $X$ bonds at $180^{\circ}$ is

[2004]

(a) three

(b) two

(c) six

(d) four

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Answer:

Correct Answer: 92.(a)

Solution:

(a)

Thus here bond angles between

$ \begin{aligned} & X_4-M-X_2=180^{\circ} \\ & X_1-M-X_3=180^{\circ} \\ & X_5-M-X_6=180^{\circ} \end{aligned} $