A) lower electronegativity of P than N
B) lower tendency of N to form covalent bond
C) availability of vacant d-obital in P but not in N
D) statement is itself incorrect
Correct Answer: C
Solution :
Phosphorus (3rd period element) can raise covalency facilitating vacant d-orbitals which is not present in nitrogen.P (ground) | [Ne] | \[3{{s}^{2}}\] | \[3{{p}^{3}}\] | 3o° |
P(excited) | [Ne] | \[3{{s}^{1}}\] | \[3{{p}^{3}}\] | \[3{{d}^{1}}\] |
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