Question

What are ideal and non -ideal solution which type of non -ideal deviation is shown by the mixture of chloroform and acetone

Answer 1

Answer:

Mixture of chloroform and acetone show -ve deviation from Raoult’s Law.

Explanation:

Ideal and non-ideal solutions

Ideal solutions are the solutions which obey Raoult’s Law at every temperature and concentrations while non ideal solutions deviate from the Raoult’s Law at different concentrations and temperatures.

There are two types of deviation of Raoult’s Law, the positive deviation where vapor pressure is greater then expected. In negative deviation the vapor presume will be less than expected from vapor pressure of the component is greater than what is expected from Raoult’s Law.

Deviation

When we add chloroform and acetone due to hydrogen bonding vapor pressure decreases and shows negative deviation.

Answer 2

Ideal solution

• The solution which is positive for Raoult's law is called an ideal solution.
• The enthalpy of mixing as well as the volume of mixing is zero for an ideal solution.
• When components are mixed in this solution, heat is neither absorbed or released.

Non-ideal solution

• The solution which is negative for Raoult's law is called an ideal solution.
• The enthalpy of mixing as well as the volume of mixing is not zero for such a solution.
• When components are mixed in this solution, heat is absorbed or released.

Mixture of chloroform and acetone

• It is a non-ideal solution as the inter molecular force acting between them are not similar.
• This solution shows the negative type of deviation as the expected vapor pressure is lower than the solution.

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