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Photon having wavelength 310nm is used t...

Photon having wavelength `310nm` is used to break the bond of `A_(2)` molecule having bond energy `28kg mol^(-1)` then `%` of energy of photon converted to the `K.E.` is `[hc=12400 evÅ,1ev=96kJ //mol]`

A

25

B

50

C

75

D

80

Text Solution

Verified by Experts

The correct Answer is:
A
Energy of one photon `=(12400)/(3100)=4eV=4xx96=384kJmol^(-1)`
`:. %` of energy converted to `K.E. (384-288)/(384)=(96)/(384)xx100=25%`
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