Question

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?

• A.
• B.
• C.
• D.

Answer 1

Answer: (B)

Answer 2

Radial node = n – l – 1
= 2 – 0 – 1
= 1
∴ It will have one radial node.

So, the correct option is (B)