Test problems for Chapter 18 with answers

Test problems for Chapter 18 with answers - 1. Which...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Page 1 1. Which product would you not expect in the crossed aldol reaction between acetaldehyde and propionaldehyde? H 3 C C O H CH 2 C O H H 3 C ? cat. NaOH H 2 O + A) CH 2 C O H H 2 CC OH H H 3 C B) CH C O H H 3 CH 3 H OH C) CH 2 C O H H 3 C C OH H D) CH C O H H 3 OH H CH 3 E) CH C O H H 2 OH H CH 3 H 3 C Ans: B
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Page 2 2. What organic molecule would you expect to be present in significant amounts under the following conditions? O CH 3 H cat. KOD ? only ( S ) enantiomer excess D 2 O A) DO CH 3 H OH B) O CH 3 D C) O D) O CH 3 D racemic E) O CD 3 D racemic Ans: D
Background image of page 2
Page 3 3. What reactants would be used to produce cinnamaldehyde? CHO ? cat. NaOH H 2 O A) CHO + CH 3 CHO B) CHO H C CHO O + C) CH 3 O + CH 2 =O D) O CHO + E) CHO H 3 C C CHO O + Ans: A
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Page 4 4. What would you expect to result from the following reaction? O ? 1. (CH 3 ) 2 CuLi 2. H 2 O A) O B) OH C) OH CH 3 D) O E) O Ans: A
Background image of page 4
Page 5 5. Indicate to which side, if any, the following equilibrium lies: OO H + or HO - A) To the right B) To the left C) Equally to right and left D) Cannot be predicted E) Major product is an enol or enolate ion, respectively Ans: A
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Page 6 6. What would be the expected product of the following reaction? CH 3 O HC CH 2 O CH 3 + CH 3 O - Na + CH 3 OH ? heat A) O B) O C) O D) O E) O Ans: A
Background image of page 6
Page 7 7. What major product would you expect from the following reaction? O Na + - OCH 3 CH 3 OH, heat ? CH 2 =O A) HO OCH 3 B) CH 2 C) O CH 3 D) CH 2 O E) O Ans: D 8. Which proton in the following molecule is the most acidic? CH 2 CH 2 C O H H H 2 5 4 3 1 A) 1 B) 2 C) 3 D) 4 E) 5 Ans: D
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Page 8 9. What product is formed in the aldol condensation of propanal?
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 27

Test problems for Chapter 18 with answers - 1. Which...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online