Which element from group 15 (V group) forms t | vedclass

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Question

(A) The basicity of hydrides of group $15$ elements $(NH_3, PH_3, AsH_3, SbH_3, BiH_3)$ depends on the availability of the lone pair of electrons on t

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Nitrogen

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(A) The basicity of hydrides of group $15$ elements $(NH_3, PH_3, AsH_3, SbH_3, BiH_3)$ depends on the availability of the lone pair of electrons on the central atom. As we move down the group,the atomic size increases and the electron density on the central atom decreases,making the lone pair less available for donation. Therefore,the basicity decreases down the group. $NH_3$ has the highest electron density on the nitrogen atom,making it the most basic hydride among them.

Which element from group $15$ ($V$ group) forms the most basic compound with hydrogen?

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