Assertion : Cross aldol condensation of ethanal and propanal gives a mixture of four products.
Reason : Ethanal and propanal, both contain `alpha`- hydrogen atom.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.
