See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

(I)   3HI excess  OCH3 OCH3 OCH3 3 3CH I  CH3 OH OH (II)     HI excess more than 4 moles  OCH3 OCH3 OCH3 3 3CH I  I (III)     HI excess more than 4 moles  OPh OPh OPh 3Ph OH   I (IV)     HI 3 3 excess more than 4 moles CH CH CH    H2C HC OH OH H2C OH I