1. Identify the acids and bases in the following reactions: (al CH3OH + H* - CH3OH;+ (b) CH3OH + NH3 - CH20- + NH3 (c) +o + ZnClz 2. Rank the following substances in order of increasing acidity: H OH CH,CCH,CCH, CHJCOH Acetone Pentane-2,4-dione Phenol Acetic acid (pK, = 19.3) (pk, = 9) (pk, = 9.9) (pk, = 4.76) 3. List the following carboxylic acids in order from strongest acid to weakest acid: CH,CH,CH,COOH K, 1.52 x 10- CH,CH,CHCOOH CICH,CH,CH,COOH K,2.96 x 10 CH,CHCH,COOH ČI K.-1.39 x 10 K.-8.9 10 4. For the following compound, a. draw its conjugate acid. h. draw its conjugate base. H;NCH;COOH 5. List the following compounds in order from strongest acid to weakest acid: CH, CH,COOH CH,OH CHCI,OH 6. Which of the following are likely to act as Lewis acids and which as Lewis bases? Which might act both ways? (a) CH3CH2OH (b) (CH3NH (d) (CHahB (e) H3C+ (e) MgBrg (n (CH3hP

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Chapter1: Chemical Foundations
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HC H
36 46 15:11
29.0
ןו:5ר הה"
HB/s
Assignment 2.pdf
1.
Identify the acids and bases in the following reactions:
(a) CH3OH + H - CH,OH2
(b) CH3OH + NH2- - CH30- + NH3
Žnca
+o
(c)
+ ZnClz
H3C
HyC
H
2.
Rank the following substances in order of increasing acidity:
H
H C0H
он
H
CH3CH.
CH3CCH,CCH,
CHyCOH
Pentane-2,4-dione
(pK, = 9)
Phenol
(pk, = 9.9)
Acetone
Acetic acid
(pk,- 19.3)
(pk, = 4.76)
3.
List the following carboxylic acids in order from strongest acid to weakest acid:
CH,CH;CH;COOH
K,-1.52 x 10-
CICH CH;CH;COOH
K,-2.96 x 10
CH,CH;CHCOOH
CH,CHCH;COOH
ČI
K1.39 10
K-8.9x 10
4.
For the following compound,
a. draw its conjugate acid.
h. draw its conjugate base.
H,NCH,COOH
5.
List the following compounds in order from strongest acid to weakest acid:
CH
CH,COOH
CH,OH
CHCIOH
6.
Which of the following are likely to act as Lewis acids and which as Lewis
bases? Which might act both ways?
(a) CH3CH,OH
(b) (CH3)2NH
(e) H3C+
(c) MgBrz
(D (CHahP
(d) (CH3)B
III
Transcribed Image Text:HC H 36 46 15:11 29.0 ןו:5ר הה" HB/s Assignment 2.pdf 1. Identify the acids and bases in the following reactions: (a) CH3OH + H - CH,OH2 (b) CH3OH + NH2- - CH30- + NH3 Žnca +o (c) + ZnClz H3C HyC H 2. Rank the following substances in order of increasing acidity: H H C0H он H CH3CH. CH3CCH,CCH, CHyCOH Pentane-2,4-dione (pK, = 9) Phenol (pk, = 9.9) Acetone Acetic acid (pk,- 19.3) (pk, = 4.76) 3. List the following carboxylic acids in order from strongest acid to weakest acid: CH,CH;CH;COOH K,-1.52 x 10- CICH CH;CH;COOH K,-2.96 x 10 CH,CH;CHCOOH CH,CHCH;COOH ČI K1.39 10 K-8.9x 10 4. For the following compound, a. draw its conjugate acid. h. draw its conjugate base. H,NCH,COOH 5. List the following compounds in order from strongest acid to weakest acid: CH CH,COOH CH,OH CHCIOH 6. Which of the following are likely to act as Lewis acids and which as Lewis bases? Which might act both ways? (a) CH3CH,OH (b) (CH3)2NH (e) H3C+ (c) MgBrz (D (CHahP (d) (CH3)B III
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