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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

Question: Draw the conjugate acid for each of the following:

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

Which is the stronger acid?

a. CH3CH3 or HC ≡CH

b. H2C= CH2or HC≡ CH

c. H2C =CH2 or CH3CH3

Question: Antacids are compounds that neutralize stomach acid. Write the equation that shows how Milk of Magnesia, Alka-Seltzer, and Tums remove excess acid.

  1. Milk of Magnesia:
  2. Alka-Seltzer: and
  3. Tums:

a. Write an equation showing CH3OH reacting with NH3and an equation showing reacting with HCl.

b. Write an equation showing NH3reacting as an acid with CH3O-and an equation showing it reacting as a base with HBr.
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