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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 : 15
pH of 0.1 M monoprotic acid is 4. Then dissociation constant of the acid is :

 9
10-7
10-5
1-3

Question No : 16
If NH3 is dissolved in water, pH of the solution

decreases
increases
remains unchanged
may increase or decrease

Question No : 17
According to Bronsted Lowry an acid is

that gives cation in solution
one that gives H+ ions in solution
electron acceptor
proton donor

Question No : 18
An aqueous solution of sodium acetate is

amphoteric
halogenic
alkaline
acidic

Question No : 19
Acetic acid is weak acid because it is

organic acid
immiscible with water
slightly ionised
viscous

Question No : 20
pH of 0.1 M monobasic acid is 4 then molar concentration of H+ per litre will be

10-8
20×105
10-3
10-4

Question No : 21
On dissolving copper sulphate in water pH of the solution

decreases
increases
remains unchanged
may increase or decrease

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