Question

N < P < As > Sb > Bi . Is this correct order for melting point of group 15 ?

Answer 1

Answer:

yes ,

Explanation:

As we go down the group the atomic size increase so vanderwall's force of attraction increases. Thus melting point of group 15 increases down the group but its melting point decreasing at Sb and Bidue to the inert pair of effect . Instead of forming 5 covalent bonds they form only 3 covalent bond

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