MHT CET202312 May 2023Evening ShiftChemistryStructure of AtomActual
What is the radius of the fourth orbit of hydrogen atom?
Options
- A846.4 pm
- B211.6 pm
- C476.1 pm
- D1322.5 pm
Correct answer
A. 846.4 pm
Step-by-step solution
r _ n = 52.9( n )^2 Z pm For hydrogen, Z=1 r_n= 52.9 4^2 1 =846.4 pm