Which of the following pairs of d-orbitals will have electron density along the axes? [2016]

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Solution

Q.
Which of the following pairs of d-orbitals will have electron density along the axes [2016]

1 $d_{z^{2}}, d_{x z}$

2 $d_{x z}, d_{y z}$

3 $d_{z^{2}}, d_{x^{2} - y^{2}}$

4 $d_{x y}, d_{x^{2} - y^{2}}$

Ans.
(3)

$d_{x^{2} - y^{2}}$ and $d_{z^{2}}$ orbitals have electron density along the axes while $d_{x y}$ , $d_{y z}$ and $d_{x z}$ orbitals have electron density in between the axes.

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