Which of the following would undergo Hofmann's reaction to give a primary amine?

Which of the following would undergo Hoffmann reaction to give a primary amine ?

Which of the following would give Hofmann alkene?

Which of the following amines undergo acylation reaction ?

Which of the following amines undergo acylation reaction ?

Indicate which nitrogen compound amongst the following would undergo Hoffmann bromamide reaction to furnish the primary amine (R-NH_2) .

Which of the following nitrogen compounds would undergo Hofmann's reaction (i.e. reaction with Br_(2) and KOH) to give a primary amine?

Which of the following can undergo hofmann brimamide reaction most easily?

Which of the following can undergo hofmann brimamide reaction most easily?