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Tutorial -2 (19/8/13)

Tutorial -2 (19/8/13).

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Tutorial -2 (19/8/13)

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  1. Tutorial -2 (19/8/13) 1) (a) Write down the wavefunction(derived from Schrödinger equation) of electron in polar coordinates. (b) Plot the radial part of wavefunction of s orbitals (1s and 2s) of hydrogen atom against distance, r, from the nucleus. (c) Plot the radial part of wavefunction of p orbitals (2p and 3p) against distance, r, from the nucleus. 2) How many radial nodes are possible for 1s, 2s, 2p, 3p and 3d orbitals. 3) Plot the radial distribution function [4πr2R(r)2] of s orbitals (1s, 2s, 3s) against distance, r, from the nucleus. Explain the signification of radial distribution function from each plot. 4) Using Slater’s rule confirm that the experimentally observed electronic configuration of K, 1s2 2s2 2p6 3s2 3p64s1, is energetically more stable than the configuration 1s2 2s2 2p6 3s2 3p63d1.

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