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Kinetic energy of electron in a mono ele...

Kinetic energy of electron in a mono electronic species is +1313 lJ/mole. Then which of the following statements are correct
(I) The electron is present in the `2^(nd)` orbit of `He^(+)` ions
(II) The electron is present in the `2^(nd)` orbit of H atom
(III) The electron is present in the `3^(rd)` orbit of `Li^(+2)` ion
(IV) The electron is present in the `4^(th)` orbit of `He^(+)` ion

A

I and II

B

II and III

C

I and III

D

III and IV

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-Objective Exercise - 3
  1. In a certain electronic transition from the quantum level, 'n' to the ...

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

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

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

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  5. The kinetic energy of an electron in an orbit of hydrogen atom is 3.4 ...

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  6. The ionisation potential of Hydrogen is 2.17 xx 10^(-11) erg/atom. The...

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  7. (A) : In an atom the velocity of electron as it moves into higher orbi...

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

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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. Choose the correct statement (s) (i) The energy of an electron in an...

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  11. The velocity of electron in hydrogen atom is 7.29 xx 10^(7) cm/sec The...

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  12. A particle of mass one microgram is confined to move along one directi...

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  13. The set of quantum numbers 'n' and 'l' possible for the orbital shown ...

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  14. In a multi-electron atom, which of the following orbitals described by...

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  15. An electron has magnetic quantum number as '-3'. Its principal quantum...

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  16. The correct match is

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  17. Which one of the following statements is correct ?

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  18. Which orbitals gives an electron the greatest probability of closer to...

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  19. A radiation of wave length 3000 Å is required to remove an electron fr...

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  20. When a certain metal was irradiated with light of frequency 3.2 xx 10^...

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