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04-02-2020
Chemistry

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What is the wavelength (in nm) of the least energetic spectral line in the visible series of the H atom?

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mshahzaib247 mshahzaib247

05-02-2020

Answer:

Brackett Series (n = 4)

Explanation:

The least energetic line of Hydrogen atom lies in Brackett Series when n = 4 because these are least energetic, have longer wavelengths and lies in Infrared region of spectrum. No traces of Pfund series are formed by H=atoms.

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