The radial function depends upon quantum number n and l whereas angular functions depend upon quantum numbers I and m, i.e., these are independent of n. The total wave function may therefore, be written as \[\psi (r,\,\,\theta ,\,\,\phi )=\,\,\,\underset{(radical\,part)}{\mathop{{{r}_{nl}}}}\,+\,\,\,\underset{(angular\,\,part)}{\mathop{{{\theta }_{l,m}}\,\,{{\phi }_{n}}}}\,\] The number of radial node present in 4d-orbital is
A) 3
B) 2
C) 1
D) 0
Correct Answer:
C
Solution :
For \[4d\,\,\,n=4,\,\,l=2\] Number of radial node \[=\,\,\,n-l-1=4-2-1\] \[=1\]