Which of the following compound on hydrolysis followed by heating gives a product, which gives positive iodoform test?

Which of the following compound on hydrolysis followed byheating gives a product, which gives positive iodoform test?

Which isomer gives positive iodoform test?

Which of the following compounds on hydrolysis with aqueous alkali give a product which does not give positive iodoform reaction but gives positive silver mirror test. The compound is

Which one will give positive iodoform test?

Which one will give positive iodoform test?