Assertion: Acetaldehyde undergoes aldol condensation with dil. NaOH. Reason : Aldehydes which donot contain `alpha`-hydrogen undergo aldol condensation.

Benzaldehyde does not undergo Aldol condensation. Give reason only.

Which of the following gives aldol condensation reaction?

Which among the followings undergoes aldol condensation ? Methanal, Benzaldehyde, Propanal or none of the above

Give aldol condensation reaction of acetaldehyde and explain why formaldehyde does not give this reaction ?

These questions consist of two statements each,printed as Assertion and Reason.While asnwering these questions you are required to chose any one of the following four responses. If both Assertion and Reason are true and Reason in correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Pigeons and kites can fly for long period without undergoing fatigue. Reason:These birds have white muscle fibres which undergo slow and sustained contraction for long period.