18.What reagent(s)is(are)needed to complete the reaction shown? 1.C02 CH;CH2CO2H 2.H,0 CH;CH.B Ans:C 19.Which,if any,of the reactions below would produce 2-methylpropanoic acid? A) Mgr folowred byHgo B) +KCN followed by HOfand heat C) D All of these roduct Ans:D 20.Which,if any,functional group in the molecule below would undergo basic hydrolysis most easily? C A)A B)B C)C D)D E)None of these groups would react. Ans:C 21.What reagent(s)would accomplish the following? A)Cl2,light B)Cl2,H2O C)SOCL2 D)MgCl2 E)aqueous HCI Ans:C Page 10 Page 10 18. What reagent(s) is (are) needed to complete the reaction shown? CH3CH2CO2H 1. CO2 2. H3O+ ? A) CH3CH2Br D) CH3Li B) KMnO4/ - OH E) CH3COCl C) CH3CH2MgBr Ans: C 19. Which, if any, of the reactions below would produce 2-methylpropanoic acid? A) B) Br + KCN followed by H3O+ and heat C) CH2OH + H2CrO4 D) All of these reactions would produce the desired product. E) None of these reactions would produce the desired product. Ans: D 20. Which, if any, functional group in the molecule below would undergo basic hydrolysis most easily? O N C H3C O CN O H A B C D A) A B) B C) C D) D E) None of these groups would react. Ans: C 21. What reagent(s) would accomplish the following? R C O OH R C O Cl A) Cl2, light B) Cl2, H2O C) SOCL2 D) MgCl2 E) aqueous HCl Ans: C