benoscar benoscar

23-02-2014
Chemistry

Answered

Two of the emission wavelengths in the hydrogen emission spectrum are 410 nm and 434 nm. One of these is due to the n=6 to n=2 transition, and one is due to the n=5 to n=2 transition. Which wavelength goes with which transition and why?

Answer :

priyambaksi priyambaksi

23-02-2014

The 410 mm wavelength corresponds to the n=6 to n=2 transition, the 434 mm wavelength corresponds to the n=5 to n=2 transition.

Planck's equation: E=hc/wavelength
n=6 to n=2 corresponds to a higher energy transition and hence shorter wavelength, 410nm.

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