In which of the following molecules, central atom involve expansion of octet?

P C l_{3}

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N C l_{3}

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C l F_{3}

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None of these

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Solution

The correct option is C $C l F_{3}$
$C l$ forms one bond in its ground state but three bonds in its first excited state. Therefore, in ClF3, $C l$ is having $10 + 7 + 3$ electrons. Hence, option C is correct.

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Similar questions

Select the molecule in which the central atom has incomplete octet.

N C l_{3}, P C l_{3}, P C l_{5}, N C l_{5}, P F_{2}, O F_{4}, O F_{6}

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