(A) Primary alcohols can be easily oxidised to aldehydes.
(R) Aldehydes are prone to further oxidation to carboxylic acids.
A. If both (A) and (R) are correct and (R) is the corect explanation of (A)
B. If both (A) and (R) are correct but (R) is not correct explanation of (A)
C. If (A) is correct but (R) is incorrect.
D. If (A) is incorrect but (R) is correct