1.What would be the product of the following reaction? Pge】
Page 1 1. What would be the product of the following reaction? O CH3 H CH3OH H+ ? A) OH CH3 H OCH3 B) H OH CH3O CH3 C) OH H CH3O CH3 D) H OH H3C OCH3 E) OH H CH2 Ans: A
2.What would be the product of the following reaction? 25℃ CH3CH2OCH2CH3 2 (slow) CO+BO CH3-CH-O-CH2-CH3 OOH C)CH:-CH2-0-CH2-CH2-OOH D)CH-CH2-O-O-CH2-CH3 E)CH;-CH2-O-CH2-CH2OH Ans:B Ot ing would you)coiline points would CH:OCH: Ans:C 4.What reagent would best accomplish the following reaction? CH2CH2OH B)NaBr C)CH;Br D)NH,*Br E)PBr Page2
Page 2 2. What would be the product of the following reaction? A) CO2 + H2O B) OOH CH3 CH O CH2 CH3 C) CH3 CH2 O CH2 CH2 OOH D) CH3 CH2 O O CH2 CH3 E) CH3 CH2 O CH2 CH2OH Ans: B 3. Which of the following would you expect to have the lowest boiling point? A) CH3CH2OH D) CH3SCH3 B) CH3CH2SH E) boiling points would be the same. C) CH3OCH3 Ans: C 4. What reagent would best accomplish the following reaction? CH2CH2OH CH2CH2Br ? A) Br2 B) NaBr C) CH3Br D) NH4 + Br- E) PBr3 Ans: E
5.What would be the expected product of the following reaction? Page 3
Page 3 5. What would be the expected product of the following reaction? SH + I2 ? A) S S B) I C) (trans) D) (cis) E) O S O OH Ans: A
6.What would be the expected product(s)of the following reaction? HI(excess) CHCH2CH2CH2-O-CH2CH2CH2CH3 heat CHCH-CH-CH.OH CH.CH.CHCH CH;CH2CH2CHI-O-CH2CH2CH2CH3 8 2 CH;CH-CH-CH2I CH;CH2CH2CH2-Q-CH2CH2CH2CH; Page4
Page 4 6. What would be the expected product(s) of the following reaction? CH3CH2CH2CH2 O CH2CH2CH2CH3 ? HI (excess) heat A) CH3CH2CH2CH2OH + CH3CH2CH2CH2I B) CH3CH2CH2CHI-O-CH2CH2CH2CH3 C) 2 CH3CH2CH2CH2I D) CH3CH2CH2CH2 O CH2CH2CH2CH3 H + IE) no reaction occurs Ans: C
7.What would be the major organic product from the following reaction? H马OH HCI(cone) CH;- H.C CH ，CH3 H CH CH3- H;C CH HH CI (racemic) H.C CH -CH H H c二 H:C CH Ans:D Page5
Page 5 7. What would be the major organic product from the following reaction? H CH3 C H3C C OH CH3 H ? HCl (conc) A) H CH3 C H3C C Cl CH3 H B) H CH3 C H3C C H CH3 Cl C) H CH3 C H3C C Cl CH3 H (racemic) D) Cl CH3 C H3C C H CH3 H E) C H3C H3C C CH3 H Ans: D