Electromagnetic radiations of wavelength 242 nm is just
sufficient to ionise Sodium atom. Then the ionisation
energy of Sodium in kJ mole-'is.
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Answered by
1
Answer:
The ionization energy of sodiumwill be equal to theenergy possessed by the radiation of wavelength 242 nm. It is E=λhc=242×10−9m6.
Answered by
1
Answer:
Explanation-
.6.625 x10‹-34 x3x10>8/242x 10-9
= 0.0821 x10-19
Per mole = 0.0821 X 10-19xNA
= 0.4946 joules
= 494.6. Kj/moles
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