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JEE Advanced

Equilibrium

Chemistry

Previous Years Questions

Numerical

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Concentration of $\mathrm{H}_{2} \mathrm{SO}_{4}$ and $\mathrm{Na}_{2} \mathrm{SO}_{4}$ in a solution is $1 \mathrm{M}$ ...
JEE Advanced 2022 Paper 2 Online
A solution is prepared by mixing $0.01 \mathrm{~mol}$ each of $\mathrm{H}_{2} \mathrm{CO}_{3}, \mathrm{NaHCO}_{3}, \math...
JEE Advanced 2022 Paper 1 Online
Consider the reaction,A $$\rightleftharpoons $$ Bat 1000 K. At time t', the temperature of the system was increased to ...
JEE Advanced 2020 Paper 1 Offline
An acidified solution of 0.05 M Zn2+ is saturated with 0.1 M H2S. What is the minimum molar concentration (M) of H+ requ...
JEE Advanced 2020 Paper 2 Offline
A solution of 0.1 M weak base (B) is titrated with 0.1 M of a strong acid (HA). The variation of pH of the solution with...
JEE Advanced 2020 Paper 2 Offline
For the following reaction, the equilibrium constant Kc at 298 K is 1.6 $$ \times $$ 1017.Fe2+(aq) + S2-(aq) ⇌ FeS(s)Whe...
JEE Advanced 2019 Paper 1 Offline
A closed tank has two compartments $$A$$ and $$B,$$ both filled with oxygen (assumed to be ideal gas). The partition sep...
JEE Advanced 2018 Paper 1 Offline
The solubility of a salt of weak acid $$(AB)$$ at $$pH\,$$ $$3$$ is $$Y \times {10^{ - 3}}$$ $$mol\,{L^{ - 1}}.$$ The v...
JEE Advanced 2018 Paper 1 Offline
In 1 L saturated solution of AgCl [Ksp(AgCl) = 1.6 $$\times$$ 10-10], 0.1 mol of CuCl [Ksp(CuCl) = 1.0 $$\times$$ 10-6] ...
IIT-JEE 2011 Paper 2 Offline
Amongst the following the total number of compounds whose aqueous solution turns red litmus paper blue is KCN, K2SO4, (N...
IIT-JEE 2010 Paper 1 Offline

MCQ (Single Correct Answer)

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Dilution processes of different aqueous solutions, with water, are given in LIST - I. The effects of dilution of the sol...
JEE Advanced 2018 Paper 2 Offline
Paragraph Thermal decomposition of gaseous X2 to gaseous X at 298 K takes place according to the following equations: X2...
JEE Advanced 2016 Paper 2 Offline
Paragraph Thermal decomposition of gaseous X2 to gaseous X at 298 K takes place according to the following equations: X2...
JEE Advanced 2016 Paper 2 Offline

MCQ (More than One Correct Answer)

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Paragraph When 100 mL of 1.0 M KCl was mixed with 100 mL of 1.0 M NaOH in an insulated beaker at constant pressure, a te...
JEE Advanced 2015 Paper 2 Offline
Paragraph When 100 mL of 1.0 M HCl was mixed with 100 mL of 1.0 M NaOH in an insulated beaker at constant pressure, a te...
JEE Advanced 2015 Paper 2 Offline
The thermal dissociation equilibrium of CaCO3(s) is studied under different conditions CaCO3(s) $$\leftrightharpoons$$ C...
JEE Advanced 2013 Paper 2 Offline
The Ksp of Ag2CrO4 is 1.1 $$\times$$ 10-12 at 298 K. The solubility (in mol/L) of Ag2CrO4 in a 0.1 M AgNO3 solution is...
JEE Advanced 2013 Paper 2 Offline
The initial rate of hydrolysis of methyl acetate (1M) by a weak acid (HA, 1M) is 1/100th of that of a strong acid (HX, 1...
JEE Advanced 2013 Paper 1 Offline
A gaseous solution of HNO3, KOH and CH3COOH and CH3COONa of identical concentrations are provided. The pairs of solution...
IIT-JEE 2010 Paper 1 Offline

Subjective

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When 3.06 g of solid NH4HS is introduced into a two litre evacuated flask at 27o C, 30% of the solid decomposes into gas...
IIT-JEE 1999

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