In the following two plots,psi^2 is plotted a | vedclass

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(A) The number of radial nodes in an orbital is given by the formula $(n - l - 1)$.For the $1s$ orbital,$n=1$ and $l=0$,so the number of radial nodes

Vedclass · Accepted Answer

$'a'$ is for $1s$ and $'b'$ for $2s$

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(A) The number of radial nodes in an orbital is given by the formula $(n - l - 1)$.For the $1s$ orbital,$n=1$ and $l=0$,so the number of radial nodes is $(1 - 0 - 1) = 0$.For the $2s$ orbital,$n=2$ and $l=0$,so the number of radial nodes is $(2 - 0 - 1) = 1$.Plot $(a)$ shows no nodes,which corresponds to the $1s$ orbital.Plot $(b)$ shows one radial node,which corresponds to the $2s$ orbital.Therefore,$'a'$ is for $1s$ and $'b'$ is for $2s$.

In the following two plots,$\psi^2$ is plotted against the distance '$r$' from the nucleus. Select the correct statement.

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