Structure of Atom - Result Question 44

####48. Consider the following sets of quantum numbers:

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Which of the following sets of quantum number is not possible?

[2007]

(a) (i), (ii), (iii) and (iv)

(b) (ii), (iv) and (v)

(c) (i) and (iii)

(d) (ii), (iii) and (iv)

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Solution:

  1. (b) (ii) is not possible for any value of n because l varies from 0 to (n1) thus for n=2,l can be only 0 and 1 .

(iv) is not possible because for l=0,m=0.

(v) is not possible because for l=2,m varies from -2 to +2 .



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