Chemical Equilibrium Test

Result

Chemical Equilibrium Test - 60

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Weekly Quiz Competition

Question 1
4 / -1

The following equilibrium is established when hydrogen chloride is dissolved is acetic acid

A

B

C

D

Solution
Question 2
4 / -1

The precipitate of CaF₂ (K_sp = 1.7 × 10^–) is obtained when equal volumes of the following are mixed

A
10^–4 M Ca³⁺ + 10^–4 MF^–

B
10^–2 M Ca²⁺ + 10^–3 MF^–

C
10^–5 M Ca²⁺ + 10^–3 MF^–

D
10^–3 M Ca²⁺ + 10^–5 MF^–
Question 3
4 / -1

0.1 M solution of which one of these substances will react basic?

A
Sodium borate

B
Ammonium chloride

C
Calcium nitrate

D
Sodium sulphate
Question 4
4 / -1

What is the decreasing order of strength of the bases

A

B

C

D

Solution
Question 5
4 / -1

In which of the following, the solubility of AgCl will be maximum?

A
0.1 M NaNO₃

B
water

C
0.1 M NaCl

D
0.1 M NaBr
Question 6
4 / -1

The correct order of increasing [H₃O⁺] in the aqueous solution is

A
0.01 M H₂S < 0.01 M H₂SO₄ < 0.01 M NaCl < 0.01 M NaNO₂

B
0.01 M NaCl < 0.01 M NaNO₂ < 0.01 M H₂S < 0.01 M H₂SO₄

C
0.01 M NaNO₂ < 0.01 M NaCl < 0.01 M H₂S < 0.01 M H₂SO₄

D
0.01 M H₂S < 0.01 M NaNO₂ < 0.01 M NaCl < 0.01M H₂SO₄
Question 7
4 / -1

The solubility of AgBrO₃ in an aqueous solution of NaBrO₃ (as compared to that in water) is

A
the same

B
more

C
less

D
Unpredicatable due to a new chemical reaction
Question 8
4 / -1

Choose the solution with lowest pH value

A
CaCO₃

B
CH₃COONa

C
Ca(OH)₂

D
CaCl₂
Question 9
4 / -1

When NaCl is added to the reaction mixture of an oil and caustic soda, the soap is thrown out because

A
NaCl is an ionic compound

B
Soap is insoluble in the presence of chloride ions

C
The solubility product of NaCl decreases in the presence of soap

D
The solubility of the soap is exceeded due to the increased concentration of Na⁺ ions.

Solution
Question 10
4 / -1

Which equilibrium can be described as an acid-base reaction using the Lewis acid- base definition, but not using Bronsted –Lowry definition?

A

B

C

D