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  • In all, how many Nodal planes are there in the atomic orbitals for the principal quantum Number=3.Option: 1 10<

In all, how many Nodal planes are there in the atomic orbitals for the principal quantum Number=3.

Option: 1

10


Option: 2

9


Option: 3

5


Option: 4

11


Answers (1)

best_answer

Shell with n = 3 has 3s, 3p & 3d orbitals

\rightarrow 1's', 3 'p' & 5 'd' orbitals.

\rightarrow 's' has no nodal planes

\rightarrow Each of \mathrm{p_{x},p_{y},p_{z}} has one Nodal plane, which means a total of 3 Nodal planes.

\rightarrow \mathrm{d_{z^{2}}} has no nodal plane.

\rightarrow Each of \mathrm{d_{xy}, d_{xz}, d_{yz},d_{x^{2}y^{2}}} has 2 nodal planes, which means total of 8 Nodal planes

\rightarrow Hence for n = 3 , a total of 11 Nodal planes are there.

Option (4) is right answer.

Posted by

Rakesh

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