Chemical Equilibrium Test

Result

Chemical Equilibrium Test - 69

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Weekly Quiz Competition

Question 1
4 / -1

A certain buffer solution contains equal concentration of X^– and HX.K_a for HX is 10^–8 .The P^H of buffer is

A
3

B
8

C
11

D
14

Solution
Question 2
4 / -1

A

B

C

D

Solution
Question 3
4 / -1

In which of the following reaction NH₃ acts as acid ?

A

B

C

D
Question 4
4 / -1

A

B

C

D
Question 5
4 / -1

The units of lonic product of water (kw) 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

Which of the following weakest ?

A

B

C

D
Question 7
4 / -1

On adding ammonia to water,

A
Ionic product will increase

B
Ionic product will decrease

C

D

Solution
Question 8
4 / -1

The solubility of product barium sulphate is 1.5 × 10^-9 at 18^o C.Its solubility in water at 18^o C is

A
1.5 × 10^-9 mol L^-1

B
1.5 × 10^-5 mol L^-1

C
3.9 × 10^-9 mol L^-1

D
3.9 × 10^-5 mol L^-1

Solution
Question 9
4 / -1

What is the value of P^H of 0.01 M glycine solution ? For glycine Ka₁ = 4.5 × 10^-3 and Ka₂ = 1.7 × 10^-10 at 298k.

A
3.0

B
10.0

C
6.1

D
7.06

Solution
Question 10
4 / -1

The dissociation consant of a substituted benzoic acid at 25^oC is 10 × 10^-4 .The P^H of 0.01 M solution of its sodium salt is

A
0

B
1

C
7

D
8

Solution