HARD
11th ICSE
IMPORTANT
Earn 100

Explain the effect of temperature on a system at equilibrium.

Important Questions on Equilibrium

HARD
11th ICSE
IMPORTANT
Write expressions for Kp and Kc for the decomposition reaction of calcium carbonate.
HARD
11th ICSE
IMPORTANT
Comment on the statement, “Even acids solution contains OH- ions and even a basic solution contains H+ ions”.
HARD
11th ICSE
IMPORTANT
0.049 g of H2SO4 is dissolved per litre of the given solution. Calculate the pH of the solution.
HARD
11th ICSE
IMPORTANT
Write the conjugate acid for NH2- and NH3.
HARD
11th ICSE
IMPORTANT
What is the relationship between pKa and pKb values?
HARD
11th ICSE
IMPORTANT
The value of Kw is 9.55×10-14 at a certain temperature. Calculate the pH of water of this temperature. How is the value of Kw affected with change in temperature?
HARD
11th ICSE
IMPORTANT
Calculate the pH of 0.1 M ammonium acetate at 25C. Ka=Kb=1.8×10-5.
HARD
11th ICSE
IMPORTANT
Two moles of PCl5 were heated to 327 °C in a closed two litre vessels and when equilibrium was achieved, PCl5 was found to be 40% dissociated into PCl3 and Cl2. Calculate the equilibrium constant for this reaction.