JEE Main 2007 Chemistry question

Identify the correct statement regarding a spontaneous process

(1)For a spontaneous process in an isolated system, the change in entropy is positiveCorrect
(2)Endothermic processes are never spontaneous
(3)Exothermic processes are always spontaneous
(4)Lowering of energy in the reaction process is the only criterion for spontaneity

Answer: (1)

Solution

In an isolated system a spontaneous process is accompanied by an increase in entropy (), option (1). Endothermic processes can be

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-038939