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ionic Equilibrium MCQ Question with Answer

ionic Equilibrium MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
 Molar concentration of Ag+ in an aqueous solution of Ag2CrO4 at 298K is 1.5 x 10-4 Ksp, for Ag2CrO4 is

1.125 x 10-8
2.5 x 10-4
2.25 x10-8
1.6875 x 10-12

Question No : 9
Decinormal solution of acetic acid ionised to an extent of 1.3%. pH of this solution will be (log 1.3 = 0.11)

3.89
2.89
4
1.0

Question No : 10
For the reversible reaction
N2g+3H2g=2NH3gH is-93.7 Kj.
The equilibrium will shift in the forward direction if conc. of

NH3 is increased
N2 is decreased
N2 is increased
temperature is kept variable

Question No : 11
An aqueous solution CaF2 contains 2 x 10-4mole lit-1 of CaF2. Ksp for CaF2 is

 16 x 10-8
3.2 x 1010-11
3.2 x 10-6
0.156 x 10-2

Question No : 12
In an aquous solution of silver bromide concentration of Ag+ is 1×10-6 mol lit-1. If Ksp for AgBr is
4 x 10-13 then concentration of Br in the solution is

4 x 10-8 mole liter-1
2 x 10-19 mole liter-1
4 x 10-7 mole liter-1
2 x 10-5 mole liter-1

Question No : 13
2 gm of NaOH is dissolved in one litre water. pH of the solution will be

12.7
11.7
1.3
17.7

Question No : 14
pH of a solution is 10. Hydroxide ion concentration in the solution is

10-10 gm eq.
10-4 mole liter-1
10-4 gm liter-1
10-3 gm eq.

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