Question

Why is an increase in temperature observed on mixing chloroform with acetone?

Answer 1

When chloroform is added to acetone there are new forces of attraction due to hydrogen bonding in between acetone and chloroform. Δmix H is negative because energy is released due to increase in the attractive forces. Therefore dissolution is the exothermic process. Hence the temperature increases.

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Answer 2

Hey dear,

● Why is an increase in temperature observed on mixing chloroform with acetone ?
- When chloroform is mixed with acetone, strong hydrogen bonding takes place between chloroform and acetone molecules.
- This hydrogen bonding increases intermolecular forces of attraction which releases energy in the form of heat.
- Therefore, increase in temperature is observed on mixing chloroform with acetone.


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