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Previous year question hub

Ionic Equilibrum - Physical Chemistry - Chemistry Previous Year Questions

Practice Ionic Equilibrum - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

34Papers
27Years
65Questions
1Topics

Ionic Equilibrum question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Ionic Equilibrum. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 61 93.8%
Easy 3 4.6%
Medium 1 1.5%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 65 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
65 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
65 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Ionic Equilibrum
65 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

NEET 2026
3 Qs
NEET 2025
2 Qs
NEET 2024 RE EXAMINATION
2 Qs
NEET 2023 MANIPUR
1 Qs
NEET 2022 Phase 1
1 Qs
NEET 2022 PHASE 2
1 Qs
NEET 2021
1 Qs
NEET 2020 PHASE 1
1 Qs
NEET 2019
3 Qs
AIIMS 2019
1 Qs
NEET 2018
2 Qs
AIIMS 2018
1 Qs
NEET 2017
1 Qs
NEET 2016 PHASE 2
3 Qs
NEET 2016 PHASE 1
1 Qs
AIPMT 2015
2 Qs
AIPMT 2015 Cancelled Paper
1 Qs
AIPMT 2014
1 Qs
NEET 2013 KARNATAKA
4 Qs
NEET 2013
2 Qs
AIPMT 2012 PRELIMS
3 Qs
AIPMT 2011 PRELIMS
2 Qs
AIPMT 2011 MAINS
1 Qs
AIPMT 2010 PRELIMS
3 Qs
AIPMT 2009
3 Qs
AIPMT 2008
1 Qs
AIPMT 2007
2 Qs
AIPMT 2006
2 Qs
AIPMT 2005
2 Qs
AIPMT 2004
2 Qs
AIPMT 2003
1 Qs
AIPMT 2002
3 Qs
AIPMT 2001
4 Qs
AIPMT 2000
2 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
NEET 202620263View paper
NEET 202520252View paper
NEET 2024 RE EXAMINATION20242View paper
NEET 2023 MANIPUR20231View paper
NEET 2022 Phase 120221View paper
NEET 2022 PHASE 220221View paper
NEET 202120211View paper
NEET 2020 PHASE 120201View paper
AIIMS 201920191View paper
NEET 201920193View paper
AIIMS 201820181View paper
NEET 201820182View paper
NEET 201720171View paper
NEET 2016 PHASE 120161View paper
NEET 2016 PHASE 220163View paper
AIPMT 201520152View paper
AIPMT 2015 Cancelled Paper20151View paper
AIPMT 201420141View paper
NEET 201320132View paper
NEET 2013 KARNATAKA20134View paper
AIPMT 2012 PRELIMS20123View paper
AIPMT 2011 MAINS20111View paper
AIPMT 2011 PRELIMS20112View paper
AIPMT 2010 PRELIMS20103View paper
AIPMT 200920093View paper
AIPMT 200820081View paper
AIPMT 200720072View paper
AIPMT 200620062View paper
AIPMT 200520052View paper
AIPMT 200420042View paper
AIPMT 200320031View paper
AIPMT 200220023View paper
AIPMT 200120014View paper
AIPMT 200020002View paper

All Ionic Equilibrum previous year questions

Practice every matching question in batches of 20, with every available option.

1
2000 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2000
Which statement is wrong about pH and H+?
A
pH of neutral water is not zero.
B
Adding 1 N solution of CH3COOH and 1 N solution of NaOH, pH will be seven.
C
[H+] of dilute and hot H2SO4 is more than concentrated and cold H2SO4
D
Mixing solution of CH3COOH and HCl. pH will be less than 7.
Open complete paper
2
2000 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2000
Conjugate acid of NH2\(-\) is
A
NH4OH
B
NH4+
C
NH2\(-\)
D
NH3
Open complete paper
3
2001 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2001
Solubility of M2S salt is 3.5 \(\times\) 10\(-\)6 then find out solubility product.
A
1.7 \(\times\) 10\(-\)6
B
1.7 \(\times\) 10\(-\)16
C
1.7 \(\times\) 10\(-\)18
D
1.7 \(\times\) 10\(-\)12
Open complete paper
4
2001 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2001
Correct relation between dissociation constants of a dibasic acid is
A
Ka1 = Ka2
B
Ka1 > Ka2
C
Ka1 < Ka2
D
Ka1 = \({1 \over {{K_{{a_2}}}}}\)
Open complete paper
5
2001 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2001
In HS\(-\), I\(-\), R \(-\) NH2, NH3 order of proton accepting tendency will be
A
I\(-\) > NH3 > R \(-\) NH2 > HS\(-\)
B
NH3 > R \(-\) NH2 > HS\(-\) > I\(-\)
C
R \(-\) NH2 > NH3 > HS\(-\) > I\(-\)
D
HS\(-\) > R \(-\) NH2 > NH3 > I\(-\)
Open complete paper
6
2001 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2001
Ionisation constant of CH3COOH is 1.7 \(\times\) 10\(-\)5 and concentration of H+ ions is 3.4 \(\times\) 10\(-\)4. Then find out initial concentration of CH3COOH molecules.
A
3.4 \(\times\) 10\(-\)4
B
3.4 \(\times\) 10\(-\)3
C
6.8 \(\times\) 10\(-\)4
D
6.8 \(\times\) 10\(-\)3
Open complete paper
7
2002 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2002
Solubility of MX2 type electrolytes is 0.5 \(\times\) 10\(-\)4 mole/lit., then find out Ksp of electrolytes.
A
5 \(\times\) 10\(-\)12
B
25 \(\times\) 10\(-\)10
C
1 \(\times\) 10\(-\)13
D
5 \(\times\) 10\(-\)13
Open complete paper
8
2002 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2002
Which has highest pH?
A
CH3COOK
B
Na2CO3
C
NH4Cl
D
NaNO3
Open complete paper
9
2002 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2002
Solution of 0.1 N NH4OH and 0.1 N NH4Cl has pH 9.25. Then find out pKb of NH4OH
A
9.25
B
4.75
C
3.75
D
8.25
Open complete paper
10
2003 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2003
The solubility product of AgI at 25oC is 1.0 \(\times\) 10\(-\)16 mol2 L\(-\)2. The solubility of AgI in 10\(-\)4 N solution of KI at 25oC is approximately (in mol L\(-\)1
A
1.0 \(\times\) 10\(-\)16
B
1.0 \(\times\) 10\(-\)12
C
1.0 \(\times\) 10\(-\)10
D
1.0 \(\times\) 10\(-\)8
Open complete paper
11
2004 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2004
The solubility product of a sparingly soluble salt AX2 is 3.2 \(\times\) 10\(-\)11. Its solubility (in moles/L) is
A
5.6 \(\times\) 10\(-\)6
B
3.1 \(\times\) 10\(-\)4
C
2 \(\times\) 10\(-\)4
D
4 \(\times\) 10\(-\)4
Open complete paper
12
2004 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2004
The rapid change of pH near the stoichiometric point of an acid-base titration is the basis of indicator detection. pH of the solution is related to ratio of the concentrations of the conjugate acid (HIn) and base (In\(-\)) forms of the indicator by the expression
A
\(\log {{\left[ {I{n^ - }} \right]} \over {\left[ {HIn} \right]}} = p{K_{In}} - pH\)
B
\(\log {{\left[ {HIn} \right]} \over {\left[ {I{n^ - }} \right]}} = p{K_{In}} - pH\)
C
\(\log {{\left[ {HIn} \right]} \over {\left[ {I{n^ - }} \right]}} = pH - p{K_{In}}\)
D
\(\log {{\left[ {I{n^ - }} \right]} \over {\left[ {HIn} \right]}} = pH - p{K_{In}}\)
Open complete paper
13
2005 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2005
At 25oC, the dissociation constant of a base, BOH, is 1.0 \(\times\) 10\(-\)12. The concentration of hydroxyl ions in 0.01 M aqueous solution of the base would be
A
1.0 \(\times\) 10\(-\)5 mol L\(-\)1
B
1.0 \(\times\) 10\(-\)6 mol L\(-\)1
C
2.0 \(\times\) 10\(-\)6 mol L\(-\)1
D
1.0 \(\times\) 10\(-\)7 mol L\(-\)1
Open complete paper
14
2005 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2005
H2S gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative analysis but not those belonging to the fourth group. It is because
A
presence of HCl decreases the sulphide ion concentration
B
solubility product of group II sulphides is more than that of group IV sulphates
C
presence of HCl increases the sulphide ion concentration
D
sulphides of group IV cations are unstable in HCl.
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15
2006 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2006
Which of the following pairs constitutes a buffer?
A
HCl and KCl
B
HNO2 and NaNO2
C
NaOH and NaCl
D
HNO3 and NH4NO3
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16
2006 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2006
The hydrogen ion concentration of a 10\(-\)8 M, HCl aqueous solution at 298 K (Kw = 10\(-\)14) is
A
1.0 \(\times\) 10\(-\)8 M
B
1.0 \(\times\) 10\(-\)6 M
C
1.0525 \(\times\) 10\(-\)7 M
D
9.525 \(\times\) 10\(-\)8 M
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17
2007 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2007
A weak acid, HA, has a Ka of 1.00 \(\times\) 10\(-\)5. If 0.100 mol of this acid is dissolved in one litre of water, the percentage of acid dissociated at equilibrium is closest to
A
1.00%
B
99.9%
C
0.100%
D
99.0%
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18
2007 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2007
Calculate the pOH of a solution at 25oC that contains 1 \(\times\) 10\(-\)10 M of hydronium ions, i.e. H3O+.
A
4.000
B
9.000
C
1.000
D
7.000
Open complete paper
19
2008 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2008
Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H+ ion concentration in the mixture?
A
3.7 \(\times\) 10\(-\)3 M
B
1.11 \(\times\) 10\(-\)3 M
C
1.11 \(\times\) 10\(-\)4 M
D
3.7 \(\times\) 10\(-\)4 M
Open complete paper
20
2009 · Chemistry · Physical Chemistry · Ionic Equilibrum
AIPMT 2009
What is the [OH\(-\)] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)2?
A
0.40 M
B
0.0050 M
C
0.12 M
D
0.10 M
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Showing 20 of 65 questions