1.

Among the following pairs of orbitals which orbital will experience the larger effective nuclear charge? (i) 2s and 3s, (ii) 4d and 4f, (iii) 3d and 3p.

Answer»

Greater the penetration of the electron present in a particular orbital towards the nucleus, more will be the magnitude of the effective nuclear charge. Based upon this criterion:

(i) 2s electron will experience more effective nuclear charge.

(ii) 4d electron will experience more effective nuclear charge.

(iii) 3p electron will experience more effective nuclear charge.



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