Which of the following electronic transitions of hydrogen has the highest (largest) frequency? Question 11 options: 4 --> 1 4 --> 3 3 --> 2 5 --> 1 5 --> 4
The energy transitions are:
4 --> 1
4 --> 3
3 --> 2
5 --> 1
5 --> 4
For largest frequency, energy difference between the levels should be largest.
The maximum difference in energy would be between n=5 and n=1
So, 5 —> 1 has largest energy and hence largest frequency.
Answer: 5—> 1
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