Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: In the Ellingham diagram, a sharp change in slope of the line is observed from Mg $$\to$$ MgO at ~1120°C
Reason R: There is a large change of entropy associated with the change of state
In the light of the above statements, choose the correct answer from the options given below

A

Both A and R are true but R is NOT the correct explanation of A

B

A is false but R is true

C

Both A and R are true and R is the correct explanation of A

D

A is true but R is false