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NEET2019Paper 2019Chemistry
Q.

 4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is 

  1. A

    5f > 6p > 5p > 4d 

  2. B

    6p > 5f > 5p > 4d

  3. C

    6p > 5f > 4d > 5p 

  4. D

    5f > 6p > 4d > 5p 

Solution

(n + l) values for, 4d = 4 + 2 = 6

5p = 5 + 1 = 6

5f = 5 + 3 = 8

6p = 6 + 1 = 7

Correct order of energy would be

5f > 6p > 5p > 4d

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