Chemistry, asked by sakshamagrawalchw, 10 days ago

Find number of correct orders of atomic radii which can be explained on the basis of "lanthanide contraction" is/are
(i) B < Al > Ga (ii) V > Nb ≈ Ta (iii) Sb > As (iv) Sc > Y > La
(v) Cu < Ag ≈ Au (vi) Ba > Ca > Mg (vii) Si > P > S (viii) Fe ≈ Co ≈ Ni

Answers

Answered by soumyanshushekhar
1

Answer:

ii) V > Nb ≈Ta

As the 6th period element and 5th period element are having nearly same atomic size due to lanthanoid contraction (Improper screening by f-electons).

hope this will help you

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