JEE Main 2022 Chemistry question
Given below are the quantum numbers for 4 electrons. A. n = 3, , , = +1/2 B. n = 4, , , = +1/2 C. n = 4, , = −2, = −1/2 D. n = 3, , = −1, = +1/2 The correct order of increasing energy is :
Answer: (2)
Solution
The energy of the sub-shell is decided by the rule: A is 3d , B is 4p , C is 4d \ell$
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