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Chapter 2: Q20P (page 61)

Rank the ions (-CH3, -NH2, HO-, and F-) from most basic to least basic.

Short Answer

Expert verified

-CH3>-NH2,>HO->F-

Step by step solution

01

Understanding basic strength.

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

02

Ranking the ions from most basic to least basic.

Order of acidic strength:CH4>NH3,>H2O->HF

Order of basicity: -CH3>-NH2,>HO->F-

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Most popular questions from this chapter

After examining the potential maps for LiH, HF and answer the following question:

  1. Which compounds are polar?
  2. Why does LiH have the largest hydrogen?

  3. Which compound has the hydrogen that would be most apt to attract a negatively charged molecule?

Question:Draw the products of the acid鈥揵ase reaction when

a. HCl is the acid and NH3 is the base.

b. H2O is the acid and -NH2 is the base.

Calculate the equilibrium constant for the acid-base reaction between the reactants in each of the following pairs:

a.HCl+H2O

b.CH3COOH+H2O

c.CH3NH2+H2O

d.CH3N+H3+H2O

Consider the following reaction:

a. What is the acid on the left side of the equation?

b. What is the base on the left side of the equation?

c. What is the conjugate base of the acid on the left?

d. What is the conjugate acid of the base on the left?

e. What is the acid on the right side of the equation?

f. What is the base on the right side of the equation?

g. What is the conjugate base of the acid on the right?

h. What is the conjugate acid of the base on the right?

Question:An acid has a Ka of 4.53 脳10-6 in water. What is its Keq for reaction with water in a dilute solution?

([H2O] = 55.5 M)
See all solutions

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