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(i) What is the covalency of N in N2O5 ? (ii) Explain why phosphorus forms pentachloride whereas nitrogen and bismuth do not ?

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asked Dec 19, 2017 in Chemistry by sforrest072 (157,439 points) ● 61 ● 410 ● 947

(i) What is the covalency of N in N2O5 ?
(ii) Explain why phosphorus forms pentachloride whereas nitrogen and
bismuth do not ?

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answered Dec 19, 2017 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Dec 19, 2017 by sforrest072
 
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[Hint : (i) 4
(ii) Because due to presence of vacant d-orbitals in the octet of ‘p’, it can
expand its octet to form PCl5, while N cannot expand its octet.]

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What is the covalence of nitrogen in N2O5?
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