The following is true on pH EXCEPT

1 unit change in pH is 100 fold change in concentration

pH is -log 10 of hydrogen ion concentration

High H + concentration lead to a low pH

The following is true about K w for water EXCEPT

K w called dissociation contant for water

K w is constant at a constant temperature

Solution of acid A has pH 1 and acid B with pH 2. Which statement is CORRECT ?

Concentration of H + in A is higher than B

Concentration of H + in B is twice as high than A

List two ways to distinguish between strong and weak acid/base.

pH measurement and conductivity

Using Kw = [H+][OH-], calculate concentration of OH- for 0.001M H2SO4.

K w = [0.002][OH - ], [OH]=K w /[0.002]

K w = [0.001][OH - ], [OH]=K w /[0.001]

K w = [H + ][0.001], [H + ]=K w /[0.001]

K w = [H + ][0.002], [H + ]=K w /[0.002]

8.2 Properties acid base Quiz

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The following is true for physical properties of acids EXCEPT

Acid has pH < 7

Acid taste bitter

Acid turn methyl orange to red

Acid turns phenolphthalein to colorless

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The following is true for physical properties of bases EXCEPT

Bases has pH > 7

Bases taste bitter

Bases turn methyl orange to red

Bases turns phenolphthalein to colorless

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The following is true for chemical properties of acids EXCEPT

Acid react with reactive metal to produce H₂ gas

Acid neutralize metal hydroxide to produce salt and water

Acid neutralize metal oxide to produce salt and water

Acid neutralize metal carbonate to produce H₂ and water

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which metal will not react with HCI to produce H₂ gas?

Tin

Iron

Copper

Aluminium

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a base?

Metal halides

Metal hydroxide

Metal Oxide

Metal Carbonates

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following neutralization reaction is wrong?

LiOH + HCI → LiCI + H₂O

Fe(OH)₂ + 2HNO₃ → Fe(NO₃)₂ + 2H₂O

CaO + 2HCI → CaCI₂ + H₂O

CaCO₃ + 2HCI → CaCI₂ + H₂O

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The following is true for strong and weak acid EXCEPT

Strong acid dissociate completely

Weak acid dissociate partially

Strong acid has high conductivity

Weak acid has low pH value

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8.2 Properties acid base

The following is true for physical properties of acids EXCEPT

The following is true for physical properties of bases EXCEPT

The following is true for chemical properties of acids EXCEPT

Which metal will not react with HCI to produce H₂ gas?

Which of the following is NOT a base?

Which of the following neutralization reaction is wrong?

The following is true for strong and weak acid EXCEPT

Which of the following is NOT a strong acid ?

Which of the following is NOT a weak acid?

Which of the following is NOT a weak base?

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8.2 Properties acid base

The following is true for physical properties of acids EXCEPT

The following is true for physical properties of bases EXCEPT

The following is true for chemical properties of acids EXCEPT

Which metal will not react with HCI to produce H2 gas?

Which of the following is NOT a base?

Which of the following neutralization reaction is wrong?

The following is true for strong and weak acid EXCEPT

Which of the following is NOT a strong acid ?

Which of the following is NOT a weak acid?

Which of the following is NOT a weak base?

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Which metal will not react with HCI to produce H₂ gas?