Which of the following molecules is theoretically not possible?
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Which of the following molecules is theoretically not possible?

Which of the following molecules is theoretically not possible?
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Which of the following molecules is theoretically not possible?

(a) ${OF}_4$

(b) ${SF}_4$

(c) ${OF}_2$

(d) ${O}_2 {~F}_2$

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Best answer

Oxygen does not contain $d$-orbitals in its valence shell and hence cannot extend its coordination number. Hence, oxygen cannot accumodate four fluorine atoms to form ${OF}_4$.

So, The correct option of this question is (A).

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