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JEE Main/Advance
IMPORTANT
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A solution contains [NaCl]=Na2CO3=C M. Upon gradually adding AgNO3(s):(Assume no hydrolysis of any ion.)

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Important Questions on Equilibrium

EASY
JEE Main/Advance
IMPORTANT
During depression of freezing point in a solution, the following are in equilibrium:
MEDIUM
JEE Main/Advance
IMPORTANT
For standardizing NaOH solution, which of the following is used as a primary standard?
HARD
JEE Main/Advance
IMPORTANT

Consider the coordination compound, [Co(NH3)6]Cl3. In the formation of this complex, the species which acts as the Lewis acid is :

EASY
JEE Main/Advance
IMPORTANT
The species present in a solution when CO2 is dissolved in water are:
MEDIUM
JEE Main/Advance
IMPORTANT

The following equilibrium exists in a saturated solution of NH4Cl.

 NH4Cl(S)NH4+(aq)+Cl(aq) ΔH25°C=3.5 kcal mol-1
A change that will shift the equilibrium to the right is

MEDIUM
JEE Main/Advance
IMPORTANT
For the reaction Ag(CN)2-(aq)Ag+(aq)+2CN-(aq), the Kc at 25°C is 4×10-19. Then [Ag+] in solution which was originally 0.1 M in KCN and 0.03 M in AgNO3 will be
HARD
JEE Main/Advance
IMPORTANT

A solution of Na2CO3 is added drop by drop to one litre of a solution containing 10-4 mole of Ba2+ and 10-5 mole of Ag+. If Ksp for BaCO3 is 8.1×10-9 and Ksp for Ag2CO3 is 6.9×10-12, then which is not true?
Assume no hydrolysis of CO32- ion.

HARD
JEE Main/Advance
IMPORTANT
On mixing equal volumes of 0.1 M AgNO3 & 0.8 M KCN solutions, what percentage of original Ag+ is in the form of free Ag+ ions? Given: Kd of Ag(CN)2-=10-18. Report your answer after multiplying it by 4.5×1016. (Assume no hydrolysis of any ion)