# (solved)Question 2.15 of NCERT Class XI Chemistry Chapter 2

What is the maximum number of emission lines when the excited electron of a H atom in n = 6 drops to the ground state?
(Rev. 27-Mar-2023)

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### Question 2.15NCERT Class XI Chemistry

What is the maximum number of emission lines when the excited electron of a H atom in n = 6 drops to the ground state?

### Video Explanation(detailed solution given after this video)

Please watch this youtube video for a quick explanation of the solution:

### Solution in Detail

Draw a table and tick-mark all possible transitions.

The total possibilities are 15 $\displaystyle \underline{Ans}$

$\displaystyle n_i \rightarrow$ 65432
$\displaystyle n_f \downarrow$
1  ✓  ✓  ✓  ✓  ✓
2  ✓  ✓  ✓  ✓
3  ✓  ✓  ✓
4  ✓  ✓
5  ✓