A. Water will evaporate
B. Equilibrium will not be attained
C. More ice will be formed
D. More water will be formed
Related Mcqs:
- For the reversible reaction A ⇌ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?
A. 0.253
B. 0.338
C. 0.152
D. 0.637 - In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________________?
A. Remain the same
B. Be halved
C. Also be doubled
D. Become one fourth - In which of the following gaseous phase reversible reactions, the product yield cannot be increased by the application of high pressure ?
A. N2 + O2 ⇌ 2NO
B. PCl3 + Cl2 ⇌ PCl5
C. N + 3H2 ⇌ 2NH3
D. 2SO2 + O2 ⇌ 2SO3 - In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffected by pressure changes ?
A. 2O3 ⇌ 3O2
B. N2 + O2 ⇌ 2NO
C. 2NO2 ⇌ N2O4
D. 2SO2 + O2 ⇌ 2SO3 - In which of the following reactions, the equilibrium will shift to the right, if the total pressure is increased ?
A. H2 + Cl2 ⇌ 2HCl
B. N2 + O2 ⇌ 2NO
C. N2O4 ⇌ 2 NO2
D. H2 + I2 ⇌ 2HI - If helium is introduced in a reactor containing O2, SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 (as per Le Chatelier’s principle)?
A. Decreases
B. Increases
C. Remains unaltered
D. Changes unpredictably - The effect of increasing pressure on the gaseous equilibrium of the reaction 2X + 3Y ⇌ 3X + 2Y indicates that____________________?
A. Pressure has no effect
B. Backward reaction is favoured
C. Forward reaction is favoured
D. None of these - In the hydrodealkylation of toluene to benzene, the following reactions occur: C7H8 + H2 → C6H6 + CH4 2C6H6 ⇌ C12H10 + H2 Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is_______________________?
A. 0.16
B. 0.144
C. 0.152
D. 0.136 - At a given temperature, K1, K2 and K3 are equilibrium constants for the following reactions 1, 2, 3 respectively. CH4(g) + H2O(g) ⇌ CO(g) + 3H2(g), CO(g) + H2O(g) ⇌ CO2(g) + H2(g) CH4(g) + 2H2O(g) ⇌ CO2(g) + 4H2(g) Then K1, K2 and K3 are related as ?
A. K3 = K1.K2
B. K3 = (K1.K2)0.5
C. K3(K1+K2)/2
D. K3 = (K1.K2)2 - Which of the following will favour the reverse reaction in a chemical equilibrium reaction ?
A. Increasing the concentration of one of the reactants
B. Increasing the concentration of one or more of the products
C. Removal of at least one of the products at regular interval
D. None of these