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Which one of the following statements is...

Which one of the following statements is not correct?

A

Rydberg constant and wave number have same units

B

Lyman series of hydrogen spectrum occurs in the ultraviolet region

C

The angular momentum of the electron in the ground state of hydrogen atom is equal to `b//2pi`

D

The radius of the first Bohr orbit of hydrogen atom is `2.116xx10^(-8)cm`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ATOMIC STRUCTURE-OBJECTIVE EXERCISE - 2
  1. A certain transition in H spectrum from an excited state to ground sta...

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

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

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

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

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

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

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

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

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

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

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

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

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  14. The change in velocity when electron jumps from the first orbit to the...

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  15. As an electron is brought from an infinite distance close to nucleus o...

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  16. In Bohr series of lines of hydrogen spectrum, the third line from the ...

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  17. The Ionisation potential of Hydrogen is 2.17 xx10^(-1) erg/atom. The e...

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  18. Kinetic energy of electron in a mono electronic species is +1313 lJ/mo...

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  19. Ionisation energy of He^(+) is 19.6 xx 10^(-18)"J atom"^(-1) The energ...

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  20. The wavelength of radiation required to remove the electron of hydroge...

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