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  • A certain orbital has no angular nodes and two radial nodes. The orbital is :  Option: 1 3sOption: 2 3pOption: 3 2sOption: 4 2p

A certain orbital has no angular nodes and two radial nodes. The orbital is :
 
Option: 1 3s
Option: 2 3p
Option: 3 2s
Option: 4 2p

Answers (1)

best_answer

the number of angular nodes are given by ‘l’, i.e., one angular node for p orbitals, two angular nodes for ‘d’ orbitals and so on.

Radial modes = n-l-1

The total number of nodes are given by (n–1), i.e., sum of l angular nodes and (n – l – 1) radial nodes.

Given

A certain orbital has no angular nodes and two radial nodes,

So, l=0 ,

It will be s orbital, it does not have angular nodes.

And

Radial nodes  = 2

n – l –1 = 2

n – 0 – 1 = 2

n= 3

So, The orbital will be 3s.

Therefore, the Correct option is (1)

Posted by

Kuldeep Maurya

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