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Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

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Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 6, Problem 15PS
Textbook Problem
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A line in the Balmer series of emission lines of excited H atoms has a wavelength of 410.2 nm (Figure 6.10). What color is the light emitted in this transition? What quantum levels are involved in this emission line? That is, what are the values of ninitial and nfinal?

Chapter 6, Problem 15PS, A line in the Balmer series of emission lines of excited H atoms has a wavelength of 410.2 nm

Interpretation Introduction

Interpretation: The colour emitted during the transition and also the initial and the final electronic state for the line in 410.2nm of the H atom in the Balmer series has to be identified.

Concept introduction:

  • Electronic transitions that take place in excited H atom is,
  1. 1. Lyman series: electronic transitions take place to the n=1 level and it is in ultraviolet region.
  2. 2. Balmer series: electronic transitions take place from n>2 to the n=2 level and it is in visible region.
  3. 3. Ritz-Paschen series: electronic transitions take place from n>3 to the n=3 level and it is in infrared region.
  4. 4. Brackett series: electronic transitions take place from n>4 to the n=4 level.
  5. 5. Pfund series: electronic transitions take place from n>5 to the n=5 level
  • Electromagnetic radiations are a type of energy surrounding us. They are of different types like radio waves, IR, UV, X-ray etc.
  • Visible radiation in the wavelength of 400nm to 700nm. The wavelength region of violet color is  450nm400 nm

Explanation of Solution

In Balmer series, the electronic transitions take place from n>2 to the n=2 level and it is in visible region. The wavelength of line is 410.2nm.

The line having wavelength of 410.2nm emits violet colour during the transition.

The line with wavelength 410

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Chapter 6 Solutions

Chemistry & Chemical Reactivity
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