Ionic Equilibrium MCQ. We covered all the Ionic Equilibrium MCQ in this post for free so that you can practice well for the exam.
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MCQ on Ionic Equilibrium for NEET Students
When 0.04 moles of NaOH are added to a liter of buffer solution, its pH changes from 4.35 to 4.40. What is its buffer capacity?
(A) 0.25
(B) 0.071
(C) 0.8
(D) 0.5
Option c – 0.8
Which of the following will behave as Lewis base?
(A) SnCL4
(B) AICI3
(C) PF3
(D) CO₂
Option c – PF3
pKa of acetic acid is 4.74. The concentration of sodium acetate is 0.1 M. The pH of sodium acetate will be ………
(A) 5.05
(B) 6.12
(C) 8.87
(D) 10.2
Option c – 8.87
The pH of the resulting solution when 0.023 g of sodium metal is reacted with 100 cm³ of water is ………
(A) 8
(B) 9
(C) 10
(D) 12
Option d – 12
The sum of pH and pKb for a basic buffer solution is 13. The ratio of the concentration of the base to that of the salt is ………
(A) 10
(B) 1
(C) 0.05
(D) 0.1
Option d – 0.1
In a mixture of a weak acid and its salt, the ratio of the concentration of acid to salt is 10 : 1. The pH of the solution ………..
(A) decreases by one
(B) increases by one-tenth
(C) increases by one
(D) increases ten-fold
Option a – decreases by one
Which of the following has the lowest pH value?
(A) 0.1 M HCI
(B) 0.1 M KOH
(C) 0.01 M HCl
(D) 0.01 M KOH
Option a – 0.1 M HCl
In its 0.25 M solutions, a weak monoprotic acid ionizes to an extent of 40 %. Its hydrogen ion concentration is ……….
(A) 0.0125 M
(B) 0.1 M
(C) 0.025 M
(D) 0.8 M
Option b – 0.1 M
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