What would cause entropy to increase in a reaction?

Question

A. The products forming a more rigid structure
B. The products forming an ordered pattern
C. The products becoming more spread out
D. The products forming fewer molecules

I think the answer is c or d

Answer 1

Increasing entropy is increasing disorder.
look here
http://chemistry.about.com/od/workedchemistryproblems/a/Entropy-Change-Example-Problem.htm

note - more spread out --> more entropy

Answer 2

(for example solids to gasses :)

Answer 3

And I still think it is Physics :)

Answer 4

Nope. This is AP chemistry.

Answer 5

c is the answer.
For my money I wish physics had kept it.

Answer 6

It’s literally regular chemistry