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     Subject:
     
Acid-base properties OF AMINO acid
Addition of Halogens
Aldol Condensations
ARRHENIUS CONCEPT
ATOMIC SPECTRA OF HYDROGEN ATOM
Atomic Terms
Azeotropes
Baeyer-Villiger Oxidation
BALACING OF REACTION BY OXIDATION STATE METHOD
Benedict’s Solution

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ATOMIC SPECTRA OF HYDROGEN ATOM
 

 

If an electric discharge is passed through hydrogen gas in atomic state taken in a discharge tube under low pressure and the emitted radiation is analysed with the help of spectrograph, the spectrum does not have radiations of all the wavelengths but radiations of only certain wavelengths. The spectrum of hydrogen
               
is found to consist of a series of sharp lines in the UV, visible and IR regions. This series of lines is known as line or atomic spectrum of hydrogen. The lines in the visible region can be directly seen on the photographic film.
This pattern of lines shown in atomic spectrum is characteristic of hydrogen.
 
 
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