The conversion of acetophenone to acetanilide is best accomplished by using:

Which of the following gives an alcohol and salt of carboxylic acid when reacted with conc. $NaOH$?

Which of the following aldehydes is most reactive $?$

Predict the product $C$ in the following series of reactions:

Which reagent gives an orange-coloured precipitate with acetaldehyde?

You have two $C_6H_{10}O$ ketones,$I$ and $II$. Both are optically active,but $I$ is racemized by treatment with acid and $II$ is not. Wolff-Kishner reduction of both ketones gives the same achiral hydrocarbon,formula $C_6H_{12}$. What reasonable structures may be assigned to $I$ and $II$ respectively?