Which of the following in relation to energy of sublevels in H atom is correct?

4s <4p <4d <4f

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3s <4s <5s <6s

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4s = 4p < 5s 6p

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2s < 3g = 3p < 4d

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Solution

The correct option is A 4s <4p <4d <4f
Energy

$4 s$ $4 + 10 = 4$

$4 p$ $4 + 1 = 5$

$4 q$ $4 + 2 = 6$

$4 f$ $4 + 3 = 7$

According to $n + 1$ rule. $4 s < 4 p < 4 d < 4 f$

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