Ionic Equilibrium · Chemistry · WB JEE

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MCQ (Single Correct Answer)

WB JEE 2023
At STP, the dissociation reaction of water is $$\mathrm{H_2O\rightleftharpoons H^+~(aq.)+OH^-~(aq.)}$$, and the pH of water is 7.0. The change of stan...
WB JEE 2021
Solubility products (Ksp) of the salts of types MX, MX2 and M3X at temperature T are 4.0 $$\times$$ 10$$-$$8, 3.2 $$\times$$ 10$$-$$14 and 2.7 $$\time...
WB JEE 2021
A saturated solution of BaSO4 at 25$$^\circ$$C is 4 $$\times$$ 10$$-$$5 M. The solubility of BaSO4 in 0.1 M Na2SO4 at this temperature will be...
WB JEE 2020
A solution is saturated with SrCO3 and SrF2. The $$[CO_3^{2 - }]$$ is found to be 1.2 $$ \times $$ 10-3 M. The concentration of F- in the solution wou...
WB JEE 2019
Which of the following mixtures will have the lowest pH at 298 K?
WB JEE 2017
Dissolving NaCN in de-ionised water will result in a solution having
WB JEE 2017
PbCl2 is insoluble in cold water. Addition of HCl increases its solubility due to
WB JEE 2017
Of the following compounds, which one of the strongest Bronsted acid in a aqueous solution?

MCQ (More than One Correct Answer)

WB JEE 2023
Which of the following mixtures act(s) as buffer solution?
WB JEE 2021
Aqueous solution of HNO3, KOH, CH3COOH and CH3COONa of identical concentration are provided. The pair(s) of solutions which form a buffer upon mixing ...
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