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Conjugate Acid-Base Pairs

Conjugate Acid-Base Pairs

Assessment

Interactive Video

•

Chemistry

•

10th Grade

•

Practice Problem

•

Medium

Created by

Chad Schmeckpeper

Used 1+ times

FREE Resource

7 questions

Show all answers

1.

DRAG AND DROP QUESTION

1 min • 1 pt

The substance that differs by only an H+ (which is the conjugate base) from HNO2:​ (a)  

The substance that differs by only an H+ (which is the conjugate acid) from NH3:​ (b)  

2.

DRAG AND DROP QUESTION

1 min • 1 pt

By ANY definition, H3O+ (or H+) is always, always, always a(n)​ (a)   !

By ANY definition, OH- is always, always, always a(n)​ (b)   !

ACID
BASE
Neutral

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct acid/conjugate base pair for the ionization of ammonia?

NH3(g)   +   H2O(l)  →  NH4+(aq)   +   OH-(aq)

NH3 / H2O

NH3 / NH4+

H2O / NH4+

H2O / OH-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct acid/conjugate base pair for ionization of H2PO4-(aq)?

 

       H2PO4-(aq)  +  H2O(l) →  HPO42-(aq)  +  H3O+(aq)

H2PO4- / H2O

H2PO4- / HPO42-

H2PO4- / H3O+

HPO42- / H3O+

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term amphoteric mean?

proficient using both right and left hands

able to survive in the water or on the land

can act as either an acid or a base

can be either a cation or an anion

6.

LABELING QUESTION

1 min • 1 pt

On the reactant side of the equation, label the acid and the base.

On the product side of the equation label the conjugate acid and the conjugate base.

a
b
c
d
ACID
Conjugate BASE
BASE
Conjugate ACID

7.

LABELING QUESTION

1 min • 1 pt

On the reactant side of the equation, label the acid and the base.

On the product side of the equation label the conjugate acid and the conjugate base.

a
b
c
d
Conjugate BASE
Conjugate ACID
ACID
BASE

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