HARDMCQ SINGLEJEE Mains ChemistryPhysical ChemistryThermodynamics and ThermochemistryAchiever Section
Assertion: A reaction which is spontaneous and accompanied by decrease of randomness must be exothermic. Reason: All exothermic reactions are accompanied by decrease in randomness.
A.A
B.B
C.C✓ Correct
D.D
Explanation
G H T S ve H T ve (as spontaneous) Exothermic reactions may be accompanied by increase or decrease in randomness.