NEET Chemistry is the very imporatant paper in the Medical Entrance EXAM. So these NEET Chemistry MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Chemistry objective questions on air pollution. NEET Chemistry Chemical Equilibrium Multiple Choice Questions
MCQs on Chemical Equilibrium :
1. Find the pH of a solution when 0.01 M HCl and 0.1 M NaOH are mixed in equal volumes
(A) 12.65
(B) 1.04
(C) 7.0
(D) 2.0
Answer
Answer: (a)
2. Which of the following aqueous solution will be the best conductor of electricity?
(A) NH3
(B) CH3COOH
(C) HCl
(D) C6H12O6
Answer
Answer: (c)
3. In 0.10 M aqueous solution of pyridine (C5H5N), find the percentage of pyridine that forms pyridinium ion (C5H5N+H) (Kb for C5H5N = 1.7 x 10-9 )
(A) 1.6%
(B) 0.77%
(C) 0.0060%
(D) 0.013%
Answer
Answer: (d)
4. Find the equilibrium constant of the reaction
If the equilibrium constant for the following reactions are given
(A) K2K3/K1
(B) K1K33/K2
(C) K2K33/K1
(D) K23K3/K1
Answer
Answer: (c)
5. Highest pH will be recorded for which of the following solutions if they are equimolar
(A) AlCl3
(B) BaCl2
(C) BeCl2
(D) LiCl
Answer
Answer: (b)
6. The equilibrium constant is 278 for the reaction
at the same temperature, what will be the equilibrium constant for the following reaction?
(A) 6 x 10-2
(B) 1.8 x 10-3
(C) 1.3 x 10-5
(D) 3.6 x 10-5
Answer
Answer: (a)
7. What will be the pH of a buffer solution having an equal concentration of B– and HB (Kb = 10-10 for B–)
(A) 7
(B) 4
(C) 10
(D) 6
Answer
Answer: (b)
8. Find the increase in equilibrium concentration of Fe3+ ions if OH– ions concentration decreases to 1/4th in the following reaction
(A) 8 times
(B) 16 times
(C) 4 times
(D) 64 times
Answer
Answer: (d)
9. On increasing the concentration of reactants in a reversible reaction, then equilibrium constant will
(A) depend on the concentration
(B) increase
(C) unchanged
(D) decrease
Answer
Answer: (c)
10. Find the conjugate acid of NH2–
(A) NH3
(B) NH4OH
(C) NH4+
(D) NH2–
Answer
Answer: (a)