question_answer

The latent heat of vaporisation of water is \[540\,\,cal\,\,{{g}^{-1}}\] at \[{{100}^{o}}C\]. What will be the entropy increase when one mole of water is evaporated at\[{{100}^{o}}C?\]

A) \[28\,\,cal\,\,{{K}^{-1}}mo{{l}^{-1}}\]     

B) \[26\,\,cal\,\,{{K}^{-1}}mo{{l}^{-1}}\]

C)  \[540\,\,cal\,\,{{K}^{-1}}mo{{l}^{-1}}\] 

D)  \[1.82\,\,cal\,\,{{K}^{-1}}mo{{l}^{-1}}\]