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Which of the following is the correct plot for the probability density 𝜓2(r) as a function of distance ‘r’ of the electron from the nucleus for 2s orbital?

Question

Which of the following is the correct plot for the probability density ψ2(r) \psi^2(r) as a function of distance ‘r’ of the electron from the nucleus for 2s orbital?

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Solution

As a text-based AI, I'm unable to directly show plots or images. However, I can describe it to you.

The plot of the probability density 𝜓^2(r) as a function of distance 'r' from the nucleus for a 2s orbital would start at a positive value at r=0, then decrease to a point where it crosses the x-axis (this is the nodal point), then increase again to a maximum, and finally decrease asymptotically as 'r' goes to infinity.

This is because the 2s orbital has one radial node, which is a region where there is 0 probability of finding the electron. This is represented by the point where the plot crosses the x-axis. The probability density then increases again after the node, representing the region where the electron is most likely to be found.

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