Q.

Statement I ; Atomic orbital is the wave functionψ of an electron in an atomStatement II ; In multi electron atom, energy of orbitals follow the order, 3d<4p<5s<4d

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a

Statements I and II are correct

b

Statement I is correct and statement II is incorrect

c

Statement I is incorrect and statement II is correct

d

Statements I and II are incorrect

answer is A.

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Detailed Solution

(I) Atomic orbital is the wave functionψ of an electron in an atom. All the acceptable solutions of SWE are called Eigen functions.(II) (n+l) value of 3d=5, 4p=5, 5s=5 ….but ‘n’ value in 3d < 4p < 5s;     (n+l) value of 4d=6;  Thus    Energy of 3d < 4p < 5s < 4d ;
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Statement I ; Atomic orbital is the wave functionψ of an electron in an atomStatement II ; In multi electron atom, energy of orbitals follow the order, 3d<4p<5s<4d