Molecule having an incomplete octet in the central atom is:

P C l_{5}

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N H_{3}

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B C l_{3}

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H_{2} O

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Solution

The correct option is C $B C l_{3}$

From the lewis dot structure of the given molecules, $B C l_{3}$ has $6$ electrons at $B$ while others have either $8$ or more.

Option C is correct.

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Similar questions

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

N H_{3}, [P t C l_{4}]^{2 -}, P C l_{5}

B C l_{3}

{N H}_{3}, {[P t {C l}_{4}]}^{2 -}, P {C l}_{5}

B {C l}_{3}

N H_{3}, [P t C l_{4}]^{2 -}, P C l_{5}

B C l_{3}

The correct order of hybridisation of the central atom in the following species $N H_{3}$ , ${[P t C l_{4}]}^{2 -}$ , $P C l_{5}$ and $B C l_{3}$

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