Chemical Equilibrium Test

Result

Chemical Equilibrium Test - 71

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Weekly Quiz Competition

Question 1
4 / -1

A
BaSO₄

B
CaSO₄

C
Ag₂SO₄

D
all of these

Solution
Question 2
4 / -1

The solubility of A₂B₃ is x mol L^-1. It solubility product is

A
6x⁵

B
64x⁵

C
36x⁵

D
108x⁵

Solution
Question 3
4 / -1

How much volume of 0.1 M CH₃COOH should be added to 50ml of 0.2 M CH₃ COONa . If we want to prepare a buffer Solution of P^H 4.91. given pKa for acetic acid is 4.76

A
80.92 ml

B
100 ml

C
70.92 ml

D
60.92 ml

Solution
Question 4
4 / -1

The ionization constants of HF is 6.8 × 10^-4 . Calculate ionization constant of corresponding conjugate base.

A

B

C

D

Solution
Question 5
4 / -1

What is PH of our blood ? why does it remains constant inspite the variety of the foods and spices we eat ?

A
of blood is 5.4. It remains constant because.it is acidic

B
of blood is 7.4. It remains constant because.it is buffer

C
of blood is 10.8.It remains constant because.it is basic

D
of blood is 7.0. It remains constant because it is neutial
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

A

B

C

D

Solution
Question 8
4 / -1

A

B

C

D

Solution
Question 9
4 / -1

How much sodium acetate should be added to 0.1 M solution of CH₃ COOH to give a solution of P^H 5.5 (pKa of CH₃ COOH = 4.5 )

A
0.1 M

B
1.0 M

C
0.2 M

D
10.0 M

Solution
Question 10
4 / -1

A

B

C

D

Solution