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According to Bohr's atomic theory, which...

According to Bohr's atomic theory, which of the following is correct ?

A

Potential energy of electron `prop(Z^(2))/(n^(2))`

B

The product of velocity of electron and principle quantum number `(n) prop Z^(2)`

C

Frequency of revolution of electron in an orbit `prop (Z^(2))/(n^(3))`

D

Coulombic force of attraction on the electron `prop (Z^(2))/(n^(2))`

Text Solution

Verified by Experts

The correct Answer is:
3
`Vprop(Z)/(n),rprop(n^(Z))/(Z)`
frequency of revolution `=(V_(n))/(2pir_(n)),`
Coulombic force of attraction `=(Ze^(2))/((2piepsilon_(0))^(2))`
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Knowledge Check

  • According to Bohr's atomic model

    A
    the electron radiates energy only when it jumps to inner orbit
    B
    an atom has heavy, positively charged nucleus
    C
    the electron can move in particular orbits
    D
    all of these

  • According to Bohr's atomic model

    A
    electron on H atom can have only certain values of angular momentum
    B
    electrons have a particle as well as wave character
    C
    atomic spectrum of atom should contain only five lines
    D
    all the above statements are correct

  • According to molecular orbital theory which of the following is correct :

    A
    `LUMO` level for `C_(2)` molecule is a `sigma 2p` orbital
    B
    In `C_(2)` molecule both the bonds are `pi` bonds
    C
    In `C_(2)^(2-)` ion there is one `sigma `and two `pi` bonds
    D
    all the above are correct.

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