1.

Consider the following statements: (a) Electron density in the `XY` plane in `3d_(x^(2)-y^(2))` orbital is zero (b) Electron density in the `XY` plane in `3d_(z^(2))` orbital is zero. (c ) `2s` orbital has one nodel surface (d) for `2p_(z)` orbital, `XY` is the nodal plane. Which of these are incorrect statements :A. a & cB. b & cC. Only bD. a, b

Answer» Correct Answer - D
(a) Electron density in the `XY` plane in `3d_(x^(2)-y^(2))` orbital is not zero
(b) Electron density in the `XY` plane in `3d_(z^(2))` orbital is not zero.
(c) `2s` orbital has one nodal surface
(d) For `2p_(z)` orbital, `XY` is the nodal plane.


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