(A) All exothermic reactions are spontaneous at room temperature. ltBrgt (R) `DeltaG=-ve` for above reactions and for spontaneous reactions `DeltaG=-ve`.
A. If both (A) and (R) are correct and (R) is the correct explanation for (A).
B. If both (A) and (R) are correct but (R) is not the correct explanation for (A).
C. If (A) is correct but (R) is incorrect
D. If (A) is incorrect but (R) is correct.