Which of the following compounds is the stronger acid?CH2(CN)2 which has a pKa value of 11.8OCH3CN which has a pKa value of 25

The compound with the lower pKa value is the stronger acid.Comparing the pKa values: CH₂(CN)₂ pKa =…

Answered: Which of the following compounds is the…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter20: Carboxylic Acids And Nitriles

Section20.SE: Something Extra

Problem 39AP: Calculate the Ka's for the following acids: (a) Citric acid, pKa = 3.14 (b) Tartaric acid, pKa =...

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Dicarboxylic acids have two dissociation constants, one for the initial dissociation into a monoanion and one for the second dissociation into a dianion. For oxalic acid, HO2Câ€”CO2H, the first ionization constant is pKal = 1.2 and the second ionization constant is pKa2 = 4.2. Why is the second carboxyl group far less acidic than the first?
Which acid do you think would have the lower pKa value: HBrO4, HBrO3, HBrO2, or HBrO? Explain your answer.
The hydride ion is very basic and reacts readily with compounds having even weakly acidic protons to form H2. True or false?
Which of the following salts are acidic? Sr(NO3)2 Na2SO3 RbBr CsI HONH3Br
Which of the following two acids has the stronger conjugate base? Nitrous acid, Ka = 7.1 x 10–4 Phenol, Ka = 1.0 x 10–10 The strength of the conjugate base cannot be obtained from the information given. Nitrous acid, because it has a larger Ka value. Nitrous acid, because it has a smaller Ka value. Phenol, because it has a larger Ka value. Phenol, because it has a smaller Ka value.
For the following acid-base reaction, predict the position of the equilibrium and identify the most acidic compound. SH + || III ● favor the right side with compound I being the most acidic compound O favor the right side with compound III being the most acidic compound O favor the left side with compound I being the most acidic compound O favor the left side with compound III being the most acidic compound O the reaction is at equilibrium so all the compounds are in equal concentration IV LOH
Explain the difference in acidity of the following compounds.
Rank the labeled H's in the following molecules in order of increasing acidity (1 = least acidic, 5 = most acidic). Provide a brief explanation for your ordering. 2. %3| HO a e HO HO, Br H CI H b d
Determine the Ka expression for the reaction below. NH4+ (aq) + H2O (l) ⇄ NH3 (aq) + H3O+ (aq) acid base What is the pKa for the reaction above if the Ka is equal to 5.52 × 10-10?
Molecules like acetamide (CH3CONH2) can be protonated on either their O or N atoms when treated with a strong acid like HCl. Which site is more readily protonated and why?
Which of the following compounds is the strongest acid?
6. Which of the following compounds has the lowest pKa ? A OH NH B XOH OH C X D NH₂

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Which of the following compounds is the stronger acid? CH2(CN)2 which has a pKa value of 11.8 OCH3CN which has a pKa value of 25