Saved Bookmarks
| 1. |
One requires `11eV` of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in.A. visible regionB. infrared regionC. ultraviolet regionD. microwave region |
|
Answer» Correct Answer - C Energy required to dissociate a carbon monoxide molecule into carbon and oxygen atoms ( E ) = 11 eV But E=hv `therefore v=E/h="11 eV"/(6.62xx10^(-34))` `=(11xx1.6xx10^(-19) J)/(6.62xx10^(-34)) =2.6xx10^15` Hz This frequency belongs to ultraviolet radiation |
|