Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Chapter 7, Problem 46P
Do the equilibria of the following acid-base reactions lie to the right or the left? (The pKa of H2O2 is 11.6.)
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The Keq for the reaction:
A + B ↔ AB is 3.793
What is the Keq for
2 + AB ↔ 2 A + 2 B
Keq = ?
Draw the products formed from the following acid-base pairs, using approximate
pka values to predict in which direction the equilibria will lie.
for the product, one for the direction of the equilibrium)
+ NaNH
+ H20
NH3
to
ČH,NO2
H.
O + HCO3
NH3
Alcohols are weak organic acids, pKa 15–18. The pKa of ethanol, CH3CH2OH, is 15.9. Write equations for the equilibrium reactions of ethanol with each base. Which equilibria lie considerably toward the right? Which lie considerably toward the left?
Q.) NaHCO3
Chapter 7 Solutions
Organic Chemistry
Ch. 7.1 - What is the molecular formula for a monocyclic...Ch. 7.1 - Prob. 2PCh. 7.1 - Draw the structure and give the common and...Ch. 7.1 - Prob. 4PCh. 7.1 - Name the following:Ch. 7.2 - Prob. 6PCh. 7.2 - Name the following:Ch. 7.3 - Prob. 8PCh. 7.3 - Why does cis-2-butene have a higher boiling point...Ch. 7.4 - What orbitals are used to form the carbon-carbon ...
Ch. 7.6 - Prob. 12PCh. 7.6 - Prob. 13PCh. 7.7 - Prob. 14PCh. 7.7 - Which alkyne should be used for the synthesis of...Ch. 7.7 - Prob. 16PCh. 7.8 - Prob. 17PCh. 7.8 - Only one alkyne forms an aldehyde when it...Ch. 7.9 - Describe the alkyne you should start with and the...Ch. 7.9 - Prob. 20PCh. 7.10 - Prob. 21PCh. 7.10 - Prob. 22PCh. 7.10 - Rank the following from strongest base to weakest...Ch. 7.12 - Prob. 26PCh. 7 - What is the major product obtained from the...Ch. 7 - Draw a condensed structure for each of the...Ch. 7 - A student was given the structural formula of...Ch. 7 - Prob. 30PCh. 7 - What is each compounds systematic name?Ch. 7 - What reagents should be used to carry out the...Ch. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - What is the major product of the reaction of 1 mol...Ch. 7 - What is each compounds systematic name? a....Ch. 7 - What is the molecular formula of a hydrocarbon...Ch. 7 - Answer Problem 39, parts a-b, using 2-butyne as...Ch. 7 - Prob. 41PCh. 7 - a. Starting with 3-methyl 1-butyne, how can you...Ch. 7 - Prob. 43PCh. 7 - Which of the following pairs are keto-enol...Ch. 7 - Prob. 45PCh. 7 - Do the equilibria of the following acid-base...Ch. 7 - What stereoisomers are obtained when 2-butyne...Ch. 7 - Draw the keto tautomer for each of the following:Ch. 7 - Show how each of the following compounds can be...Ch. 7 - A chemist is planning to synthesize 3-octyne by...Ch. 7 - Prob. 51PCh. 7 - What stereoisomers are obtained from the following...Ch. 7 - Prob. 53PCh. 7 - Prob. 54PCh. 7 - Prob. 55PCh. 7 - Prob. 56PCh. 7 - Prob. 57P
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- Calculate the Ka's for the following acids: (a) Citric acid, pKa = 3.14 (b) Tartaric acid, pKa = 2.98arrow_forwardWill acetylene react with sodium hydride according to the following equation to form a salt and hydrogen, H2? Using pKa values given in Table 4.1, calculate Keq for this equilibrium.arrow_forwardAlcohols are weak organic acids, pKa 15–18. The pKa of ethanol, CH3CH2OH, is 15.9. Write equations for the equilibrium reactions of ethanol with each base. Which equilibria lie considerably toward the right? Which lie considerably toward the left? Q.) NaOHarrow_forward
- Which structure is a reasonable intermediate for this hydrolysis reaction? H;SO, H-0 HO OHarrow_forwardBased on the following Ka values, will the following equilibrium favor the products or the reactants? H2CO3 (aq) + NO21- (aq) ⇄ HCO31- (aq) + HNO2 (aq) Ka values: HNO2: 4.6 x 10-4 H2CO3: 4.3 x 10-7 HCO31-: 4.8 x 10-11arrow_forwardThe Keq for the reaction: A + B ↔ AB is 2.16 What is the Keq for 2 A + 2 B ↔ 2 ABarrow_forward
- NaHCO3 can deprotonate benzoic acid but cannot deprotonate phenol. On the other hand, NaOH can deprotonate both benzoic acid and phenol. Given this information, rank the molecules numbered I to V in order of decreasing acidity. COH cOH он H,0 H,CO, IV CH3 II I II (A) V > II >I > III > IV (В) II > 1 > V > III IV (C) II > V >I > IV > IIarrow_forwardConsider the following data: HX ↔ X− + H+HX ↔ X- + H+ Ka = 6.83⋅10−66.83⋅10-6 H2A ↔ HA− + H+H2A ↔ HA- + H+ Ka = 6.85⋅10−86.85⋅10-8 Calculate the Keq for the following reaction: HA−HA- + HXHX ↔↔ H2AH2A + X−X- Record your answer in scientific notation to 3 sig figs.arrow_forwardGiven the reactionsHF(aq) ⇌ H+(aq) + F-(aq) Kc = 6.9 x 10-4H2C2O4(aq) ⇌ 2 H+(aq) + C2O42 - (aq) Kc = 3.8x 10-6 Determine the value of Kc for the reaction2 HF(aq) + C2O42 - (aq) ⇌ 2 F-(aq) + H2C2O4(aq)arrow_forward
- Based on the following equilibrium H++ HCO3- ↔ H2CO3 A)State what would happen if we added HCl to the reaction B) State what would happen if we added NaOH to the reaction.arrow_forwardWhen ammonia is placed in water, the following two reactions (1 or 2) occur to a certain extent. Reaction 1: NH3 (aq) + H2O (l)⇄⇄ NH4+ (aq) + OH- (aq) pKb = 4.75 Reaction 2:NH3 (aq) + H2O (l)⇄⇄ NH2- (aq) + H3O+ (aq) pKa = 35 Which reaction is most likely to occur? a.) Both equally b.) More info needed c.) Reaction 1 d.) Reaction 2arrow_forwardFor the following reactions, predict the likely product(s) of the reaction or write 'no reaction." Me H Me °x Me Me Me Br Me Me Me Nal, NaOCI EtOH, H₂O HNO3 ACOH AICI 3arrow_forward
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