Chemical Equilibrium Test

Result

Chemical Equilibrium Test - 76

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Weekly Quiz Competition

Question 1
4 / -1

According to Lowry- Bronsted concept, which one of the following is considered as an acid?

A
H₃O⁺

B
BF₃

C
OH^–

D
Cl^–
Question 2
4 / -1

The conjugate bases in the following reaction

A

B

C

D

Solution
Question 3
4 / -1

The correct order of acidic strength is

A

B

C

D
Question 4
4 / -1

Ionic product of water is 1.0 × 10^–14 at 25⁰ C. This is so

A
only for water

B
only for acidic solution

C
only for basic solution

D
for all the three above
Question 5
4 / -1

The units of ionic product of water (K_w) are

A
mol^–1 L^–1

B
mol^–2 L^–2

C
mol^–2 L^–1

D
mol² L^–2

Solution
Question 6
4 / -1

On adding ammonia to water

A
ionic product will increase

B
ionic product will decrease

C
[OH⁻] will increase

D
[OH⁻] will decreases
Question 7
4 / -1

Which is the correct representation for the solubility product constant of Ag₂CrO₄ ?

A

B

C

D

Solution
Question 8
4 / -1

If S₁, S₂, S₃ and S₄ are the solubilities of AgCl in water, in 0.01 M CaCl₂ in 0.01 M NaCl and in 0.05 MAgNO₃ respectively at a certain temperature, the correct order of solubilites is

A

B

C

D
Question 9
4 / -1

pH of an acid buffer is given by

A

B

C

D
Question 10
4 / -1

At 90ºC, pure water has H₃O⁺ ion concentration of 10^-6 mol L^-1. Then K_w at 900 C is

A
10^-6

B
10^-14

C
10^-12

D
10^-8

Solution