MCAT General Chemistry Question 10: Answer and Explanation
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Question: 10
10. Which of the following electronic transitions would result in the greatest gain in energy for a single hydrogen electron?
- A. An electron moves from n = 6 to n = 2.
- B. An electron moves from n = 2 to n = 6.
- C. An electron moves from n = 3 to n = 4.
- D. An electron moves from n = 4 to n = 3.
Correct Answer: B
Explanation:
For the electron to gain energy, it must absorb energy from photons to jump up to a higher energy level. There is a bigger jump between n = 2 and n = 6 than there is between n = 3 and n = 4.