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JEE Main2012ChemistryStructure of AtomActual

The electrons identified by quantum numbers n and I : (a) n=4, I=1 (b) n=4, l=0 (c) n=3, I=2 (d) n=3, I=1 Can be placed in order of increasing energy as:

Options

  1. A(c) < (d) < (b) < (a)
  2. B(d) < (b) < (c) < (a)
  3. C(b) < (d) < (a) < (c)
  4. D(a) < (c) < (b) < (d)

Correct answer

B. (d) < (b) < (c) < (a)

Step-by-step solution

(a) (n+l)=4+1=5 (b) (n+l)=4+0=4 (c) (n+1)=3+2=5 (d) (n+1)=3+1=4

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