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Chapter 2: Q22P (page 61)

Which is a stronger acid?

CH3OH+CH3 or

Short Answer

Expert verified

is the stronger acid.

Step by step solution

01

Understanding the acidic strength of conjugate acids.

All the above-given ions are conjugate acids of bases. In order to categorize them according to their acidic strength, we need to compare the basicity of the respective base. The base with the least acidity will have the most acidic conjugate acid.

02

Comparing the acidic strength.

Order of acidic strength of base:Dimethyl ketone (pKa 40) is more basic than dimethyl ether (pKa 20)

The weaker base will have the stronger conjugate acid. Therefore, the order of acidic strength of conjugate acid is shown below.

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Most popular questions from this chapter

Are the following body fluids acidic or basic?

  1. Bile (pH=8.4)
  2. Urine (pH=5.9)
  3. Spinal fluid (pH=7.4)

Tenormin, a member of the group of drugs known as beta-blockers, is used to treat high blood pressure and improve survival after a heart attack. It works by slowing down the heart to reduce its workload. Which atom in Tenormin is the most basic?

Which is the stronger acid?

(Hint: You can use the periodic table at the back ofthis book.)

a. HCl or HBr

b. CH3OH or CH3SH

c. HF or HCl

d. H2S or H2O

You are planning to carry out a reaction that produces protons. The reaction will be buffered at pH = 10.5. Would it be better to use a protonated methylamine/methylamine buffer or a protonated ethylamine/ethylamine buffer? (pKa of protonated methylamine = 10.7; pKaof protonated ethylamine = 11.0)

Draw the products of the following acid–base reactions:

a. CH3NH3++H2O

b. HBr +CH3OH

c. CH3NH3++ OH-

d.CH3NH2+ CH3OH
See all solutions

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