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Shapes of Orbitals and Nodes

Which of the ...

Question

Which of the following graphs between wave function and radius of nucleus correspond to one node?

A

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B

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C

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D

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Solution

The correct option is B
The poing at which the radial function acquires zero value is called a node.
In option (b), the value of wave function is zero at one point and hence it has one node. In option (c), the graph contains two nodes. In option (a) and (d) there are no nodes.

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Shapes of Orbitals and Nodes

Standard XIII Chemistry

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