disorder

What's the difference between a conversion disorder and dissociative disorder? All my Google research has said they're pretty much the same thing but one of the questions on the AAMC Practice Test 2 has a question about them with both conversion and dissociative disorders as separate answers.

I know that 1. Entropy decreases from Gas > Liquid > Solid 2. 2 moles of a substance has more entropy than 1 mole 3. Greater molar mass/complexity means more entropy Is there anything else I am missing? This Khan Q said Na+ (aq) has greater entropy than PO3-4 (aq) because "Solvating ions...