JEE MAIN - Chemistry (2022 - 29th June Evening Shift - No. 1)
Which of the following is the correct plot for the probability density $${\psi ^2}$$ (r) as a function of distance 'r' of the electron from the nucleus for 2s orbital?
_29th_June_Evening_Shift_en_1_1.png)
_29th_June_Evening_Shift_en_1_2.png)
_29th_June_Evening_Shift_en_1_3.png)
_29th_June_Evening_Shift_en_1_4.png)
Explanation
Formula for number of radial nodes in nth orbital = n - $$l$$ - 1
For 2s, number of radial nodes = 2 – 0 – 1 = 1 and value of $${\psi ^2}$$ is always positive.
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