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Previous year question hub

Ionic Equilibrium - Physical Chemistry - Chemistry Previous Year Questions

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

112Papers
20Years
143Questions
1Topics

Ionic Equilibrium question pattern

Every graph below is calculated only from this selection.

Questions by year

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

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 73 51%
Easy 70 49%

Question type distribution

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

Multiple Choices 97 67.8%
Numerical Answer Type (NAT) 46 32.2%

Subject weightage

Top subjects by unique question coverage.

Chemistry
143 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
143 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Ionic Equilibrium
143 Qs

Paper coverage

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

JEE Main 2026 (Online) 5th April Morning Shift
3 Qs
JEE Main 2026 (Online) 2nd April Evening Shift
2 Qs
JEE MAIN 2026 ONLINE 28TH JANUARY MORNING SHIFT
2 Qs
JEE Main 2026 (Online) 2nd April Morning Shift
1 Qs
JEE Main 2026 (Online) 4th April Evening Shift
1 Qs
JEE Main 2026 (Online) 4th April Morning Shift
1 Qs
JEE Main 2026 (Online) 6th April Evening Shift
1 Qs
JEE MAIN 2026 ONLINE 21ST JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 22ND JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 24TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 23RD JANUARY MORNING SHIFT
2 Qs
JEE MAIN 2025 ONLINE 4TH APRIL EVENING SHIFT
2 Qs
JEE MAIN 2025 ONLINE 7TH APRIL MORNING SHIFT
2 Qs
JEE MAIN 2025 ONLINE 22ND JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 23RD JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 24TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 24TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 28TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 28TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 2ND APRIL MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 3RD APRIL EVENING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 4TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 7TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 8TH APRIL EVENING SHIFT
2 Qs
JEE MAIN 2024 ONLINE 1ST FEBRUARY EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 1ST FEBRUARY MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 27TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 30TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 30TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 6TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 9TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
2 Qs
JEE MAIN 2023 ONLINE 11TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 12TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 13TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 13TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 24TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 24TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 25TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 25TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 29TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 30TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 8TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 8TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 25TH JUNE EVENING SHIFT
2 Qs
JEE MAIN 2022 ONLINE 27TH JULY MORNING SHIFT
2 Qs
JEE MAIN 2022 ONLINE 25TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 25TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 26TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 26TH JUNE MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 27TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 27TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 28TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 28TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 28TH JUNE MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 29TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 29TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 29TH JUNE MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 18TH MARCH MORNING SHIFT
2 Qs
JEE Main 2021 (Online) 24th February Evening Shift
1 Qs
JEE Main 2021 (Online) 25th February Evening Shift
1 Qs
JEE Main 2021 (Online) 25th February Morning Shift
1 Qs
JEE Main 2021 (Online) 26th February Evening Shift
1 Qs
JEE MAIN 2021 ONLINE 16TH MARCH EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 16TH MARCH MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 18TH MARCH EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 20TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 26TH AUGUST MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 31ST AUGUST EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 31ST AUGUST MORNING SHIFT
1 Qs
JEE MAIN 2020 ONLINE 8TH JANUARY MORNING SLOT
2 Qs
JEE MAIN 2020 ONLINE 2ND SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 3RD SEPTEMBER EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 6TH SEPTEMBER EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 6TH SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 7TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 7TH JANUARY MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 9TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 9TH JANUARY MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 12TH APRIL EVENING SLOT
2 Qs
JEE MAIN 2019 ONLINE 10TH APRIL EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 10TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 10TH JANUARY MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 12TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 8TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH APRIL EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH JANUARY MORNING SLOT
1 Qs
JEE MAIN 2018 OFFLINE
5 Qs
JEE MAIN 2018 ONLINE 15TH APRIL MORNING SLOT
2 Qs
JEE MAIN 2018 ONLINE 15TH APRIL EVENING SLOT
1 Qs
JEE MAIN 2017 OFFLINE
1 Qs
JEE MAIN 2017 ONLINE 8TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2017 ONLINE 9TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2013 OFFLINE
1 Qs
AIEEE 2012
1 Qs
AIEEE 2010
3 Qs
AIEEE 2009
1 Qs
AIEEE 2008
2 Qs
AIEEE 2007
3 Qs
AIEEE 2005
3 Qs
AIEEE 2004
2 Qs
AIEEE 2003
3 Qs
AIEEE 2002
3 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
JEE Main 2026 (Online) 2nd April Evening Shift20262View paper
JEE Main 2026 (Online) 2nd April Morning Shift20261View paper
JEE Main 2026 (Online) 4th April Evening Shift20261View paper
JEE Main 2026 (Online) 4th April Morning Shift20261View paper
JEE Main 2026 (Online) 5th April Morning Shift20263View paper
JEE Main 2026 (Online) 6th April Evening Shift20261View paper
JEE MAIN 2026 ONLINE 21ST JANUARY EVENING SHIFT20261View paper
JEE MAIN 2026 ONLINE 22ND JANUARY EVENING SHIFT20261View paper
JEE MAIN 2026 ONLINE 24TH JANUARY MORNING SHIFT20261View paper
JEE MAIN 2026 ONLINE 28TH JANUARY MORNING SHIFT20262View paper
JEE MAIN 2025 ONLINE 22ND JANUARY EVENING SHIFT20251View paper
JEE MAIN 2025 ONLINE 23RD JANUARY EVENING SHIFT20251View paper
JEE MAIN 2025 ONLINE 23RD JANUARY MORNING SHIFT20252View paper
JEE MAIN 2025 ONLINE 24TH JANUARY EVENING SHIFT20251View paper
JEE MAIN 2025 ONLINE 24TH JANUARY MORNING SHIFT20251View paper
JEE MAIN 2025 ONLINE 28TH JANUARY EVENING SHIFT20251View paper
JEE MAIN 2025 ONLINE 28TH JANUARY MORNING SHIFT20251View paper
JEE MAIN 2025 ONLINE 2ND APRIL MORNING SHIFT20251View paper
JEE MAIN 2025 ONLINE 3RD APRIL EVENING SHIFT20251View paper
JEE MAIN 2025 ONLINE 4TH APRIL EVENING SHIFT20252View paper
JEE MAIN 2025 ONLINE 4TH APRIL MORNING SHIFT20251View paper
JEE MAIN 2025 ONLINE 7TH APRIL EVENING SHIFT20251View paper
JEE MAIN 2025 ONLINE 7TH APRIL MORNING SHIFT20252View paper
JEE MAIN 2024 ONLINE 1ST FEBRUARY EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 1ST FEBRUARY MORNING SHIFT20241View paper
JEE MAIN 2024 ONLINE 27TH JANUARY MORNING SHIFT20241View paper
JEE MAIN 2024 ONLINE 30TH JANUARY EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 30TH JANUARY MORNING SHIFT20241View paper
JEE MAIN 2024 ONLINE 6TH APRIL MORNING SHIFT20241View paper
JEE MAIN 2024 ONLINE 8TH APRIL EVENING SHIFT20242View paper
JEE MAIN 2024 ONLINE 9TH APRIL EVENING SHIFT20241View paper
JEE MAIN 2023 ONLINE 11TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 12TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 13TH APRIL EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 13TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 24TH JANUARY EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 24TH JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 25TH JANUARY EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 25TH JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 29TH JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 30TH JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT20232View paper
JEE MAIN 2023 ONLINE 8TH APRIL EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 8TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2022 ONLINE 25TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 25TH JULY MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 25TH JUNE EVENING SHIFT20222View paper
JEE MAIN 2022 ONLINE 26TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 26TH JUNE MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 27TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 27TH JULY MORNING SHIFT20222View paper
JEE MAIN 2022 ONLINE 27TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 28TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 28TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 28TH JUNE MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 29TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 29TH JULY MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 29TH JUNE MORNING SHIFT20221View paper
JEE Main 2021 (Online) 24th February Evening Shift20211View paper
JEE Main 2021 (Online) 25th February Evening Shift20211View paper
JEE Main 2021 (Online) 25th February Morning Shift20211View paper
JEE Main 2021 (Online) 26th February Evening Shift20211View paper
JEE MAIN 2021 ONLINE 16TH MARCH EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 16TH MARCH MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 18TH MARCH EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 18TH MARCH MORNING SHIFT20212View paper
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 20TH JULY EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 26TH AUGUST MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 31ST AUGUST EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 31ST AUGUST MORNING SHIFT20211View paper
JEE MAIN 2020 ONLINE 2ND SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 3RD SEPTEMBER EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 6TH SEPTEMBER EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 6TH SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 7TH JANUARY EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 7TH JANUARY MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 8TH JANUARY MORNING SLOT20202View paper
JEE MAIN 2020 ONLINE 9TH JANUARY EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 9TH JANUARY MORNING SLOT20201View paper
JEE MAIN 2019 ONLINE 10TH APRIL EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 10TH APRIL MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 10TH JANUARY MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 12TH APRIL EVENING SLOT20192View paper
JEE MAIN 2019 ONLINE 12TH APRIL MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 8TH APRIL MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH APRIL EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH JANUARY EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH JANUARY MORNING SLOT20191View paper
JEE MAIN 2018 OFFLINE20185View paper
JEE MAIN 2018 ONLINE 15TH APRIL EVENING SLOT20181View paper
JEE MAIN 2018 ONLINE 15TH APRIL MORNING SLOT20182View paper
JEE MAIN 2017 OFFLINE20171View paper
JEE MAIN 2017 ONLINE 8TH APRIL MORNING SLOT20171View paper
JEE MAIN 2017 ONLINE 9TH APRIL MORNING SLOT20171View paper
JEE MAIN 2013 OFFLINE20131View paper
AIEEE 201220121View paper
AIEEE 201020103View paper
AIEEE 200920091View paper
AIEEE 200820082View paper
AIEEE 200720073View paper
AIEEE 200520053View paper
AIEEE 200420042View paper
AIEEE 200320033View paper
AIEEE 200220023View paper

All Ionic Equilibrium previous year questions

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

1
2002 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2002
1 M NaCL and 1 M HCL are present in an aqueous solution. The solution is
A
not a buffer solution with pH < 7
B
not a buffer solution with pH > 7
C
a buffer solution with pH < 7
D
a buffer solution with pH > 7
Open complete paper
2
2002 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2002
Let the solubility of an aqueous solution of Mg(OH)2 be x then its Ksp is :
A
4x3
B
108x5
C
27x4
D
9x
Open complete paper
3
2002 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2002
Species acting as both Bronsted acid and base is :
A
(HSO4)-1
B
Na2CO3
C
NH3
D
OH-1
Open complete paper
4
2003 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2003
When rain is accompanied by a thunderstorm, the collected rain water will have a pH value :
A
slightly higher than that when the thunderstorm is not there
B
uninfluenced by occurence of thunderstorm
C
which depends on the amount of dust in air
D
slightly lower than that of rain water without thunderstorm
Open complete paper
5
2003 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2003
The solubility in water of a sparingly soluble salt AB2 is 1.0 \(\times\) 10-5 mol L-1. Its solubility product number will be :
A
4 \(\times\) 10-10
B
1 \(\times\) 10-15
C
1 \(\times\) 10-10
D
4 \(\times\) 10-15
Open complete paper
6
2003 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2003
Which one of the following statements is not true?
A
pH + pOH = 14 for all aqueous solutions
B
The pH of 1 \(\times\) 10-8 M HCl is 8
C
96,500 coulombs of electricity when passed through a CuSO4 solution deposits 1 gram equivalent of copper at the cathode
D
The conjugate base of \(H_2PO_4^-\) is \(HPO_4^{2-}\)
Open complete paper
7
2004 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2004
The molar solubility (in ol L-1) of a sparingly soluble salt MX4 is "s". The corresponding solubility product is Ksp. 's' is given in term of Ksp by the relation :
A
s = (256 Ksp)1/5
B
s = (128 Ksp)1/4
C
s = ( Ksp / 128)1/4
D
s = (Ksp / 256)1/5
Open complete paper
8
2004 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2004
The conjugate base of H2PO4- is :
A
\(PO_4^{3-}\)
B
\(HPO_4^{2-}\)
C
H3PO4
D
P2O5
Open complete paper
9
2005 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2005
What is the conjugate base of OH-?
A
O2
B
H2O
C
O-
D
O-2
Open complete paper
10
2005 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2005
Hydrogen ion concentration in mol / L in a solution of pH = 5.4 will be :
A
3.98 \(\times\) 10-6
B
3.68 \(\times\) 10-6
C
3.88 \(\times\) 106
D
3.98 \(\times\) 108
Open complete paper
11
2005 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2005
The solubility product of a salt having general formula MX2, in water is: 4 \(\times\) 10-12 . The concentration of M2+ ions in the aqueous solution of the salt is :
A
2.0 \(\times\) 10-6 M
B
4.0 \(\times\) 10-10 M
C
1.0 \(\times\) 10-4 M
D
1.6 \(\times\) 10-4 M
Open complete paper
12
2007 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2007
The pKa of a weak acid (HA) is 4.5. The pOH of an aqueous buffered solution of HA in which 50% of the acid is ionized is :
A
7.0
B
4.5
C
2.5
D
9.5
Open complete paper
13
2007 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2007
The first and second dissociation constants of an acid H2A are 1.0 \(\times\) 10−5 and 5.0 \(\times\) 10−10 respectively. The overall dissociation constant of the acid will be :
A
5.0 \(\times\) 10−5
B
5.0 \(\times\) 1015
C
5.0 \(\times\) 10−15
D
5.0 \(\times\) 105
Open complete paper
14
2007 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2007
In a sautrated solution of the sparingly soluble strong electrolyte AgIO3 (Molecular mass = 283) the equilibrium which sets in is
AgIO3(s) \(\leftrightharpoons\) Ag+(aq) + \(IO_3^-\)
If the solubility product constant Ksp of AgIO3 at a given temperature is 1.0 \(\times\)10−8, what is the mass of AgIO3 contained in 100 ml of its saturated solution?
A
28.3 × 10−2 g
B
2.83 × 10−3 g
C
1.0 × 10−7 g
D
1.0 × 10−4 g
Open complete paper
15
2008 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2008
Four species are listed below
i. \(HCO_3^−\)
ii. \(H_3O^+\)
iii. \(HSO_4^−\)
iv. \(HSO_3F\)
Which one of the following is the correct sequence of their acid strength?
A
iv < ii < iii < I
B
ii < iii < i < iv
C
i < iii < ii < iv
D
iii < i < iv < ii
Open complete paper
16
2008 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2008
The pKa of a weak acid, HA, is 4.80. The pKb of a weak base, BOH, is 4.78. The pH of an aqueous solution of the corresponding salt, BA, will be
A
9.58
B
4.79
C
7.01
D
9.22
Open complete paper
17
2009 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2009
Solid Ba(NO3)2 is gradually dissolved in a 1.0 \(\times\) 10-4 M Na2CO3 solution. At what concentration of Ba2+ will a precipitate begin to form ?
(Ksp for BaCO3 = 5.1 \(\times\) 10−9 )
A
5.1 \(\times\) 10-5 M
B
8.1 \(\times\) 10-8 M
C
8.1 \(\times\) 10-7 M
D
4.1 \(\times\) 10-5 M
Open complete paper
18
2010 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2010
Solubility product of silver bromide is 5.0 \(\times\) 10–13. The quantity of potassium bromide (molar mass taken as 120g of mol–1) to be added to 1 litre of 0.05 M solution of silver nitrate to start the precipitation of AgBr is :
A
1.2 \(\times\) 10–10 g
B
1.2 \(\times\) 10–9 g
C
6.2 \(\times\) 10–5 g
D
5.0 \(\times\) 10–8 g
Open complete paper
19
2010 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2010
Three reactions involving \(H_2PO_4^−\) are given below :

(i) H3PO4 + H2O \(\to\) H3O+ + \(H_2PO_4^−\)

(ii) \(H_2PO_4^−\) + H2O \(\to\) \(HPO_4^{2−}\) + H3O+

(iii) \(H_2PO_4^−\) + OH- \(\to\)H3PO4 + O2-

In which of the above does \(H_2PO_4^−\) act as an acid?
A
(ii) only
B
(i) and (ii)
C
(iii) only
D
(i) only
Open complete paper
20
2010 · Chemistry · Physical Chemistry · Ionic Equilibrium
AIEEE 2010
At 25°C, the solubility product of Mg(OH)2 is 1.0 \(\times\) 10–11. At which pH, will Mg2+ ions start precipitating in the form of Mg(OH)2 from a solution of 0.001 M Mg2+ ions?
A
9
B
10
C
11
D
8
Open complete paper

Showing 20 of 143 questions