organic chemistry

Question 1 (12 p) a) Which of the following structures is different from the other three? Select the proper answer. (1) (2) (3) (4) i) Compound 1 ii) Compound 2 iii) Compound 3 iv) Compound 4 v) None of them b) Which of the following compounds is/are chiral? Select the proper answer. (1) (2) (3) i) Only compound 1 ii) Compounds 1 and 2 iii) Compounds 2 and 3 iv) All of them v) None of them Question 1 (12 p) a) Which of the following structures is different from the other three? Select the proper answer. (1) (2) (3) (4) i) Compound 1 ii) Compound 2 iii) Compound 3 iv) Compound 4 v) None of them b) Which of the following compounds is/are chiral? Select the proper answer. (1) (2) (3) i) Only compound 1 ii) Compounds 1 and 2 iii) Compounds 2 and 3 iv) All of them v) None of them