Time Left - 20:00 mins
JEE 2020 Chemistry Revision Quiz :Equilibrium Quiz
Attempt now to get your rank among 1240 students!
Question 1
A mixture of 100 m mol of Ca(OH)2 and 2g of sodium sulphate was dissolved in water and the volume was made up to 100 mL. The mass of calcium sulphate formed and the concentration of OH- in resulting solution, respectively, are: (Molar mass of Ca(OH)2, Na2SO4 and CaSO4 are 74, 143 and 136 g mol-1, respectively ; Ksp of Ca(OH)2 is 5.5 x 10-6)
Question 2
The values of Kp/Kc for the following reactions at 300 K are, respectively : (At 300 K, RT =24.62 dm3atm mol-1)
N2(g) + O2(g) ⇌2NO(g)
N2O4(g)⇌ 2NO2(g)
N2(g) + 3H2(g) ⇌ 2NH3(g)
N2(g) + O2(g) ⇌2NO(g)
N2O4(g)⇌ 2NO2(g)
N2(g) + 3H2(g) ⇌ 2NH3(g)
Question 3
5.1 g NH4SH is introduced in 3.0 L evacuated flask at 327 °C. 30% of the solid NH4SH decomposed to NH3 and H2S as gases. The KP of the reaction at 327 °C is (R=0.082 L atm mol-1K-1, Molar mass of S= 32 g mol-1, molar mass of N=14 g mol-1)
Question 4
20 mL of 0.1 M H2SO4 solution is added to 30 mL of 0.2 M NH4OH Solution. The pH of the resultant mixture is : [pkb of NH4OH = 4.7].
Question 5
A chemical equilibrium can be established by starting a reaction with :
Question 6
The macroscopic properties become constant in an equilibrium system when :
Question 7
What is the pH of a saturated solution of Mg(OH)2? Ksp = 1.8 x 10-11.
Question 8
Which of the following equilibrium is not affected by pressure?
- 1240 attempts
- 5 upvotes
- 21 comments
Tags :
Dec 6JEE & BITSAT
