Questions & Answers. Why does Iago hate Othello? The main reason Iago gives for plotting to destroy Othello is a suspicion that Othello may have had an affair with Emilia. However, Iago himself admits that he doesn't know whether these rumors are true or not, explaining that "I know not if't be true / But I, for mere suspicion in that. Start studying Othello Act 5 Questions. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Home. Subjects. Explanations. ... Othello Test Review (Comprehension Questions) 50 terms. peggyjohnson99. Othello Test Review (Comprehension Questions) 50 terms. anthony_navarro53. Othello. 70 terms.