AIIMS2007Chemistry-Physical Chemistry
AIIMS 2007 Chemistry Thermodynamics Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 11
Assertion : As a salt such as NaCl dissolves, the Na⁺ and Cl⁻ ions leaving the crystal lattice acquire far greater freedom.
Reason : In thermodynamic terms, the formation of solution occurs with a favourable change in free energy, i.e., ΔH has a high positive value and TΔS a low negative value.
A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If both assertion and reason are false.
Correct Answer
Option C
Detailed Explanation
Formation of solution occurs with a favourable change in free energy.
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