For an ideal solution of two components A   &   B , which of the following is true?

For an ideal solution of two components A & B, which of the following is true?
  1. Δ H mixing > 0 (zero)
  2. A-B interaction is stronger than A-A & B-B. interactions
  3. A-A, B-B & A-B interactions are identical
  4. Δ H mixing < 0 (zero)

Solution

When two components A & B form an ideal solution, the interactions A – A, B – B and A – B are similar due to which no heat is absorbed or released and also volume after mixing remains same.

Asked in: JEE Main 2014 (19 Apr Online)

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