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Which of the following statements regard...

Which of the following statements regarding spectral series is correct? 

A

The lines in the Balmer series correspond to the electronic transition from higher energy level two n = 1 energy level.

B

Paschen series appears in the infra-red-region

C

The lines of Lyman series appear in the visible region

D

Transition from higher energy levels to 4th energy level produces Pfund series which fall in the infrared region.

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ATOMIC STRUCTURE-OBJECTIVE EXERCISE - 2
  1. Which of the following transitions of an electron in hydrogen atom emi...

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  2. In a hydrogen atom, the electron is at a distance of 4.76Å from the nu...

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  3. Which of the following statements regarding spectral series is correct...

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  4. In a series in the line spectrum of hydrogen the wavelength of radiati...

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  5. The frequency of the spectral line obtained when the electron in n = 3...

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  6. When a greater number of electrons from excited hydrogen atoms reach t...

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  7. The first spectral line in the Pfund series of Hydrogen spectrum is gi...

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  8. A certain transition in H spectrum from an excited state to ground sta...

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  9. The radii of two of the first four Bohr orbits of the hydrogen atom ar...

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  10. Which one of the following statements is not correct?

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  11. The ratio of radii of first orbits of H, He^(+) and Li^(2+) is

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  12. The ratio of the radii of the first three orbits in an atom of hydroge...

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  13. The radius of hydrogen atom in the ground state is 0.53 Å, the radius ...

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  14. In hydrogen atom the kinetic energy of electron is 3.4 eV. The distanc...

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  15. The radius of first Bohr's orbit for hydrogen is 0.53Å. The radius of ...

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  16. The energy of second Bohr orbit of hydrogen atom is -328 kJ. mol^(-1),...

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  17. Which of the following transistions in hydrogen atom will require the ...

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  18. The energy of an electron in the first Bohr's orbit of a hydrogen atom...

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  19. The total energy of electron in an atom is a combination of potential ...

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  20. The radius of which of the following orbit is same as that of the firs...

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