With reference to protonic acids,which of the | vedclass

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(B) The basicity of hydrides of Group $15$ elements depends on the availability of the lone pair on the central atom for donation.In $NH_3$,the lone p

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$PH_3$ is less basic than $NH_3$

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(B) The basicity of hydrides of Group $15$ elements depends on the availability of the lone pair on the central atom for donation.In $NH_3$,the lone pair is present in an $sp^3$ hybrid orbital which is small and concentrated,making it readily available for donation.In $PH_3$,the lone pair is present in a large $3s$ orbital with more $s$-character,making it less available for donation.Therefore,$PH_3$ is less basic than $NH_3$.

With reference to protonic acids,which of the following statements is correct?

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