Question

1. 4d, 5p, 5f and 6p orbitals are arranged in
the order of decreasing energy. The correct
option is
(a) 5f> 6p > 4d > 5p (b) 5f>6p > 5p > 4d
(c) 6p > 5f > 5p > 4d (d) 6p > 5f> 4d > 5p
(NEET 2019)​

Answer 1

Answer:

4d, 5d, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is : (1) 5f > 6p > 5p > 4d (2) 6p > 5f > 5p > 4d OR (2) 6p > 5f > 4d > 5p (4) 5f > 6p > 4d > 5p. energy of the orbital.

Answer 2

Explanation:

The correct option is : (1) 5f > 6p > 5p > 4d (2) 6p > 5f > 5p > 4d OR (2) 6p > 5f > 4d > 5p (4) 5f > 6p > 4d > 5p. energy of the orbital. 4d and 5p has same (n + l) value. Among them 4d has low 'n' and so, has lower energy than 5p.

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