Expanded octet occurs in:

N H_{3}

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P F_{5}

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H_{2} O

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O_{2}

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Solution

The correct option is B $P F_{5}$
Expanded octet means having more than 8 electrons in the outermost shell. In $P F_{5}$ , the phosphorus atom contains 10 electrons in its outermost shell. Thus expanded octet occur in $P F_{5}$ .

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Similar questions

P F_{5}, S F_{6}

H_{2} S O_{4}

N H_{3} + O_{2} \to P t - \to Δ A + H_{2} O

A + O_{2} \to B

B + O_{2} + H_{2} O \to C

N H_{4}^{+} + H_{2} O ⇋ N H_{3} + H_{3} O^{+}

{N H}_{4}^{+} + H_{2} O ⇋ {N H}_{3} + H_{3} O^{+}

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