2.Which of the following structures of formula CsHsBra would give the NMR spectrum shown below _CH-CH-B B c) Ct-cus Br BeCt-cn.Bc Ans:D Ans:B E)microwave Page2Page 2 2. Which of the following structures of formula C8H8Br2 would give the NMR spectrum shown below? A) CH CH2Br Br B) Br CH CH3 Br C) Br CH2 CHBr2 D) Br CH CH3 Br E) Br CH2 CH2Br Ans: D 3. The type of electromagnetic energy required to cause nuclear magnetic resonance is A) infrared B) radio C) ultraviolet D) visible E) microwave Ans: B