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  • The probability density plots of Is and 2s orbitals are given in the following figures.The density of dots in a region represents the probability density of finding electrons in the region.

The probability density plots of 1s and 2s orbitals are given in the following figures.

The density of dots in a region represents the probability density of finding electrons in the region. On the basis of the above diagram, which of the following statements is incorrect?
(a) 1s and 2s orbitals are spherical in shape.
(b) The probability of finding the electron is maximum near the nucleus.
(c) The probability of finding the electron at a given distance is equal in all directions.
(d) The probability density of electrons for 2s orbital decreases uniformly as distance from the nucleus increases.

Answers (1)

The answer is the option (d)

The probability density of electrons for 2s orbital decreases uniformly as the distance from the nucleus increases. The reason is that the probability density for the 2s orbital first sharply reduces to zero and then starts increasing whereas for the 1s orbital the probability density is at its peak at the nucleus and then starts decreasing gradually on moving away from it.

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