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Q.

Which of the following about an electron occupying the 1s-orbital in H-atom is incorrect? (Bohr's radius in I orbit = a0)

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a

The total energy of the electron is maximum when it is at a distance a0 from the nucleus.

b

The probability density of finding the electron is maximum at the nucleus

c

The magnitude of the potential energy is double to that of its kinetic energy on its average

d

The electron can be found at a distance 2a0 from the nucleus

answer is D.

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Detailed Solution

The maximum probability of finding electron is at ao distance from the nucleus and at this distance total energy of the electron is minimum.

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