NEET Chemistry The p-Block Elements (XII) Questions Solved


The correct order of decreasing Lewis acid strength of trichlorides of group 15 elements is

(A) AsCl3>PCl3>BiCl3>SbCl3(B)PCl3>AsCl3>SbCl3>BiCl3(C) NCl3>PCl3>AsCl3>SbCl3(D)SbCl3>BiCl3>PCl3>AsCl3

This is because the electronegativity of the central atom decreases.

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