Q. Ethanal is heated with a base in two separate test tubes. In one test tube nothing except the two mentioned reactants were present. In second test tube, malonic acid, was also added. The final products of both test tubes easily add -butadiene molecule. The product obtained in the first test tube can be converted into product, identical in all respect, with that obtained in the second test tube
The respective reaction involved in the two test tubes are

 377  173 Aldehydes Ketones and Carboxylic Acids Report Error

Solution:

In first test tube

Solution Image