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  • How to solve this problem- which of the following has highest boiling point

which of the following has highest boiling point 

  • Option 1)

    H_{2}O

     

     

      

  • Option 2)

    D_{2}O

  • Option 3)

    Benzene

  • Option 4)

    n-hexane

 

Answers (1)

best_answer

As we learned

 

Definition of Boiling -

Boiling occurs at the temperature when the vapour pressure of liquid becomes equal to external atmospheric pressure

- wherein

Boiling point of pure liquid is fixed.

 

 Due to a Hydrogen bond boiling point of  H_{2}O  & D_{2}O   is higher than Benzene n-hexane Since molecular mass of D_{2}O   is higher than the H_{2}OBoiling point of D_{2}O > H_{2}O


Option 1)

H_{2}O

 

 

  

Option 2)

D_{2}O

Option 3)

Benzene

Option 4)

n-hexane

Posted by

satyajeet

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