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Solutions for Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro 9780321910295

Solution for problem 42P Chapter 9

Solved: Two of the emission wavelengths in the hydrogen emission spectrum are 656 nm and

Introductory Chemistry | 5th Edition


Problem 42P

Two of the emission wavelengths in the hydrogen emission spectrum are 656 nm and 486 nm. One of these is due to the n = 4 to n = 2 transition, and the other is due to the n = 3 to n = 2 transition. Which wavelength corresponds to which transition?

Accepted Solution
Step-by-Step Solution:

Solution 42P

Here, we are going to identify which of the given wavelengths corresponds to the given transitions.

Step 1:

It is already known that, when an electron jumps from a lower orbit to a higher orbit, it absorbs energy whereas when the electron jumps from higher orbit to lower orbit, it emits energy.

Thus, n = 4 to n = 2 transition corresponds to higher emission of energy compared to n = 3 to n = 2 transition.

Chapter 9, Problem 42P is Solved

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Solved: Two of the emission wavelengths in the hydrogen emission spectrum are 656 nm and