Chemistry Question Bank

For the reaction, C(s) + CO2(g) 2CO(g), p K 63atm at 1000 K. If at equilibrium CO CO p 10p , than the total pressure of the gases at equilibrium is (KERELA CEE 2011)

For the reversible reaction (AIPMT 2014) N (g) 3H (g) 2NH (g) Heat The equilibrium shifts in forward direction

If the value of an equilibrium constant for a particular reaction is 1.6 × 1012, then at equilibrium the system will contain (AIPMT 2015) (a)mostly reactants

Which of the following statement is correct for a reversible process in a state of equilibrium ? (AIPMT 2015) (a) G = 2.30 RT log K (b) o G = –2.30 RT log K (c) o G = 2.30 RT log K (d) G = – 2.30 RT log K

If the equilibrium constant for 2 g 2 g g N O 2NO is K, the equilibrium constant for 2 g 2 g g N O NO will be (NEET 2015)

If the value of equilibrium constant for a particular reaction is 1.6 10 x , then at equilibrium the system will contain (NEET 2015)

Which of the following statements is correct for a reversible process in a state of equilibrium? (NEET 2015) (a) o G 2.30RT log K (b) o G 2.30 RT log K

The equilibrium constants of the following are N 3H 2NH ;K N O 2NO;K H O H O;K The equilibrium constant (K) of the reaction : K 2NH O 2NO 3H O will be (NEET 2017) (a) K K K (b) K K K (c) K K K (d) K K K

A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container is now decreased by moving the movable piston fitted in the contain…

Which one of the following conditions will favour maximum formation of the product in the reaction, A2 (g) + B2 (g) X2 (g); rH = – X kJ? (NEET 2018)

Hydrolysis of sucrose is given by the following reaction : Sucrose H O Glucose Fructose If the equilibrium constant (KC) is 2 10 x at 300 K, the value of o rG at the same temperature will be (NEET 2020) (a) 8.3…

3O2 (g) ⇌ 2O3(g) for the above reaction at 298 K, Kc is found to be 3.0 × 10-59. If the conc. of O2 at equilibrium is 0.040 M then concentration of O3 in M is. (NEET 2022)

The reaction A + B C + D +heat has reached equilibrium. The reaction may be made to proceed forward by

According to Le-Chatelier principle, if heat is given to solid-liquid system, then

In the reaction A(g) + 2B(g) C(g) + Q kJ, greater product will be obtained or the forward reaction is favoured by

Following gaseous reaction is undergoing in a vessel C2H4 + H2 C2H6; H = – 32.7 Kcal Which will increase the equilibrium concentration of C2H6

The effect of increasing the pressure on the equilibrium 2A(g) + 3B(g) 3A(g) + 2B(g) is

The exothermic formation of ClF3 is represented by the equation Cl2(g) + 3F2(g) 2ClF3(g); H = – 329 kJ Which of the following will increase the quantity of ClF3 in an equilibrium mixture of Cl2, F2 and ClF3

In which of the following system, doubling the volume of the container cause a shift to the right

Change in volume of the system does not alter the number of moles in which of the following equilibrium

For the gas phase reaction 2 NO N2 + O2, H = – 43.5 Kcal mol–1which one of the statement below is true for N2 (g) + O2 (g) 2 NO (g)

According the Le-Chatelier’s principle, adding heat to a solid and liquid in equilibrium will cause the

Which one of the following information can be obtained on the basis of Le Chatelier principle ?

In which of the following, the forward reaction is favoured by use of high pressure ?

Consider the reaction PCl5 (g) PCl3 (g) + Cl2 (g) in a closed container at equilibrium. At a fixed temperature what will be the effect of adding more PCl5 on the equilibrium concentration of Cl2 (g) ?