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Q.

A sample of hydrogen atoms absorbs radiation of wavelength λ0  and consequently emits radiations of six different wavelengths of which two wavelengths are higher than  λ0. Choose the correct statements. 

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a

The initial orbit number of the electrons may be 2.

b

There are three transitions belonging to Lyman series.

c

The initial orbit number of the electrons may be 3.

d

The highest orbit occupied by the electron is the fourth orbit.

answer is A, B, D.

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Detailed Solution

At 300K,  ΔG0=ΔH0TΔS0=28 kJ/mole  and at   1200K,  ΔG0=+3 kJ/mole
 

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