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in which of the following system will th...

in which of the following system will the radius of the second orbit be minimum ?

A

H-atom

B

`Mg^(+2)`

C

`Mg^(+2)`

D

B-atom

Text Solution

Verified by Experts

The correct Answer is:
B
Out of given element `Mg^(+2)` have maximum atomic number Z,
Orbital radius `r_(n)prop(1)/(Z)`
`:.` Radius of `Mg^(+2)` will be minimum.
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KUMAR PRAKASHAN-ATOMS-Section-D (Multiple Choice Questions (MCQs)) (MCQs From .DARPAN Based On Textbook) (Bohr Model of Hydrogen Atom )
  1. The energy of an electron revolving in a stationary orbit is always ne...

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  2. An electron revolving in a stationary orbit .....

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  3. For which quantum number of the binding of electron is zero in hydroge...

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  4. According to Bohr's model of atom the orbit of an electron ...... [Whe...

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  5. If the radius of the second orbit in hydrogen atom is R then radius of...

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  6. The ratio of first three Bohr radii is ………..

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  7. If the atom .(100)Frn^(257) follows the Bohr model and the radius of ....

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  8. If radius of first orbit in hydrogen atom is 0.53Å, then what will be ...

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  9. When electron in hydrogen is in minimum excited state then its radius ...

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  10. the ratio of the radii of n = 10 orbit of hydrogen and Li^(+2) ion is ...

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  11. in which of the following system will the radius of the second orbit b...

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  12. Out of following which will have minimum first orbital radius?

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  13. According to Bohr model, energy of electron in n^(th) orbit is ...... ...

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  14. The ratio of energies of electron in the first excited state to its se...

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  15. The velocity of electron v in the second orbit of hydrogen, then its v...

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  16. In a hydrogen atom, the centripetal force is furnished by the coloumb ...

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  17. The angular speed of the electron in the n^(th) Bohr orbit of the hydr...

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  18. The linear speed of the electron in the nth Bohor orbit of the hydroge...

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  19. How much energy is required to send the electron at infinite distance ...

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  20. Linear momentum of electron revolving in n^(th) orbit of atom p=(nh)/(...

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