Use Coupon: CART20 and get 20% off on all online Study Material

Total Price: R

There are no items in this cart.
Continue Shopping
Get instant 20% OFF on Online Material.
coupon code: MOB20 | View Course list

Get extra R 650 off


Which electronic configuration is not observing the rule

Answer Choices

Answer Choice Popularity




Your Choice (Incorrect)

6 years ago


Answers : (1)


Dear Rahul

is the electronic configuration that should not be observed using the rule.

bcz for 4s n=4 l=0 so n+l=4

for 3d n=3 l= so n+l =5

so 4s being lower in energy than 3d bcz of (n+l) rule should be filled first which is not the case here.

ALL THE best


ABhinav Batra

6 years ago

Post Your Answer

Other Related Questions on Physical Chemistry

What is the oxidation state of Cl in the compound HOCl
@ prashant The oxidation number of Cl is always -1 when it's not in diatomic form (Cl2). so, here also the oxidation number is -1 in the case of cl . this compound , oxidation number...
Umakant biswal 3 months ago
The Oxidation Number of Cl in HOCl is +1. It can be calculated as below: Total Charge on Molecule is Zero(0). Therefore, 0 = + 1 (for Hydrogen) – 2 (for Oxygen) ​+ X (for Chlorine) 0 = – ​1 ...
Bhasker Goel 3 months ago
Oxygen being more electronegative than Cl, oxygen retains its oxidation stat of -2. So, it mans that Chlorine will have an oxidation state of +1 in this compound.
If bonding and antibonding electrons are equal then why the molecule is unstable? Explain it with an example.
This is as bond order is 0 BO = ½ (No of BMO – No of ABMO) BO is directly proportional to stability thus is it not present in nature eg. He 2
Rohan Kadkol one month ago
What is meant by Ductillity, Malleability, Sonorous ?
@ mohammed ductility refers to the capacity of metal to stretch away . that means when u are stretching a rubber band , then u can say its a ductile property of metals . malleability helps...
Umakant biswal 2 months ago
Ductility is when a solid material stretches under tensile stress. Malleability is a physical property of matter, usually metals. It usually applies to the family groups 1 to 12 on the...
Mohammed Sohail 2 months ago
Calculate the wavelength of an electron moving with a velocity of 2.05×10^7ms-1
@ joana i am telling which formula u have to use here , and rest of the calculation part u have to do . this question can be solved by the besic formula of de broglie wavelength for an...
Umakant biswal one month ago
How to calculate equivalent weight in disproportionate reaction
@ mahima in the case of disproportion reaction u can calculate the equivalent weight by the calculation of n factor . and for finding the n factor , use the following formula 1/N= 1/n1 +...
Umakant biswal 2 months ago
i didn’t understand anything in organic chemistry and there ractions
@ shubham kindly tell me which reaction u are not able to understand ?? so, that i can explain you the whole process here , and while reading the mechanism and reaction intermediate ,...
2017 years ago
View all Questions »

  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 3,750 off

Get extra R 650 off

More Questions On Physical Chemistry

Ask Experts

Have any Question? Ask Experts

Post Question

Answer ‘n’ Earn
Attractive Gift
To Win!!!
Click Here for details