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Solvents and Autoprolysis

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is Autoprotolysis?

a)

A proton (hydron) transfer reaction between two identical molecules (usually a solvent), one acting as a Brønsted acid and the other as a Brønsted base.

b)

A hadron (hydron) transfer reaction between two identical molecules (usually a solvent), one acting as a Brønsted acid and the other as a Brønsted base.

c)

A neutron (hydron) transfer reaction between two identical molecules (usually a solvent), one acting as a Brønsted acid and the other as a Brønsted base.

d)

None of these

2.

According to the ______________________, an acid is a proton donor, and a base is a proton acceptor.

a)

a. Quark Theory

b)

b. Brønsted-Lowry theory

c)

c. Daltons Theory

d)

Darwins Theory

3.

1. A salt: is produced in the reaction of an acid with a base. Examples include_______EXCEPT

a)

a. NaCl

b)

b. Na2SO4,

c)

c. CO2

d)

d. NaOOCCH3

4.

1. What is the formula for the conjugate base of NH4+?

a)

a. Ammonia, NH2

b)

b. Ammonia , NH3

c)

c. Ammonia, NH4-

d)

d. Ammonia, NH2-

5.

What is the conjugate base of bicarbonate ion?

a)

a. CO 2 −4

b)

b. CO 3

c)

c. CO 3 − 3

d)

a. d. CO 2− 3

6.

An acid: donates protons, while a base:______________________.

a)

a. accepts proton

b)

b. accepts neutron

c)

c. accepts electron

d)

d. gain protons

7.

1. A conjugate base: is formed when an _____________________.

a)

a. acid loses an electron.

b)

b. base loses an electron

c)

c. acid loses a protons

d)

d. base loses a proton

8.

If acetate ion is the conjugate base of acetic acid,

what about the conjugate base of ammonium ion?

a)

a. Hydroxide ion

b)

b. Ammonia

c)

c. Carbonate

d)

d. Hydrogencarbonate

9.

Solution with water as the solvent

a)

a. dilute

b)

b. concentrate

c)

c. solute

d)

d. solution

10.

Which of the following is a binary acid?

a)

a. H2SO4

b)

b. HNO3

c)

c. H2Se

d)

d. HC2H3O2

11.

An oxyacid is made up of hydrogen, _________, and a third element

a)

a. nitrogen

b)

b. oxygen.

c)

c. carbon

d)

d. hydroxide

12.

What is the formula for nitrous acid?

a)

a. HNO2

b)

b. H3N

c)

c. HNO3

d)

d. HNO

13.

What is the formula for nitric acid?

a)

a. HNO2

b)

b. HNO3

c)

c. HNO

d)

d. H3N

14.

What is the formula for hydrosulfuric acid

a)

a. H2S

b)

H2SO2b.

c)

c. H2SO3.

d)

d. H2SO4

15.

Below are all substances with a strong acid EXCEPT____________________.

a)

a. HI

b)

b. HF

c)

c. H2SO4.

d)

d. HCl

16.

Which of the following is NOT a strong base?

a)

a. NaOH

b)

b. Ca(OH)2

c)

c. Al(OH)3

d)

d. RbOH

17.

An arrhenius acid

a)

a. produces hydroxide ions in a solution

b)

b.is a proton donor

c)

c. is a proton acceptor

d)

d. produces hydrogen ions in a solution

18.

An arrhenius base

a)

a. produces hydroxide ions in a solution

b)

b. is a proton acceptor

c)

c. produces hydrogen ions in a solution

d)

d. is a proton donord.

19.

A bronsted lowry base

a)

produces hydroxide ions in a solution

b)

b. is a proton acceptor

c)

c. produces hydrogen ions in a solution

d)

d. is a proton donor

20.

A bronsted lowry acid

a)

a. produces hydroxide ions in a solution

b)

b. is a proton donor.

c)

c. produces hydrogen ions in a solution

d)

d. is a proton acceptor