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Grade: 12

                        

What is the energy(kJ/mol) associated with the de exitation of electron from n=6 to n=2 in He + ion? (a)1.36*10 6 (b)1.36*10 3 (c)1.16*10 3 (d)1.78*10 3

What is the energy(kJ/mol) associated with the de exitation of electron from n=6 to n=2 in He+ ion?
(a)1.36*106
(b)1.36*103
(c)1.16*103
(d)1.78*103

4 years ago

Answers : (1)

Vikas TU
14136 Points
							
For H-atom,
E2 = -13.6*4/4 = -13.6
E6 = -13.6*4/36 = -13.6/9
Excitation energy,
E2 – E6 = E
subtract them and get the energy value.
4 years ago
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