What is the product formed when a $Grignard$ reagent $(RMgX)$ reacts with acetone $(CH_3COCH_3)$?

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?

Benzaldehyde on reaction with acetophenone in the presence of sodium hydroxide solution gives

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

Which of the following statements is false?

The haloform test is given by which of the following substances?