Which of the following is least soluble in water at $298 \ K$?

Which of the following is hydrolysed to give a secondary amine?

Which statements are True? $A$. In Hoffmann bromamide degradation, $4$ moles of $NaOH$ and $1$ mole of $Br_{2}$ are consumed per mole of an amide. $B$. Hoffmann bromamide reaction is not given by alkyl amides. $C$. Primary amines can be synthesized by Hoffmann bromamide degradation. $D$. Secondary amide on reaction with $Br_{2}$ and $NaOH$ will give secondary amine. $E$. The by-products of Hoffmann degradation are $Na_{2}CO_{3}$, $NaBr$ and $H_{2}O$. Choose the correct answer from the options given below:

Which of the following is the strongest base?

Which of the following undergoes nitration fastest?

The amine which does not react with chloroform and ethanolic potassium hydroxide is