The reaction $2CH_3COOC_2H_5 \xrightarrow{C_2H_5ONa} CH_3COCH_2COOC_2H_5 + C_2H_5OH$ is called:

Which of the following compounds will not undergo tautomerism?

$A$ compound $A$ has a molecular formula $C_2Cl_3OH$. It reduces Fehling's solution and on oxidation gives a monocarboxylic acid $(B)$. $A$ is obtained by the action of chlorine on ethyl alcohol. $A$ is:

The structure of $(B)$ is:

The Tischenko reaction yields an ester in the presence of which catalyst?

Tollen's reagent and Fehling solutions are used to distinguish between