Why PCL5 is known but not NCL5 is known???
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2
Answer:
N have not d orbital ... so it doesnt form 5 bond
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6
Answer:
Phosphorus contain vacant d orbitals in which electron can enter in the excited state and hence increase the oxidation state. But n does not contain vacant d orbitals. That's why PCl5 is known but not NCl5 is known.
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