A. N2 + O2 ⇌ 2NO
B. PCl3 + Cl2 ⇌ PCl5
C. N + 3H2 ⇌ 2NH3
D. 2SO2 + O2 ⇌ 2SO3
Related Mcqs:
- 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 - With an increase in pressure in gaseous phase chemical reactions, the fractional conversion ______________ when the number of moles decreases?
A. Increases
B. Decreases
C. Remain unaffected
D. Unpredictable from the data - For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant ?
A. Is independent of pressure
B. Increases with pressure
C. Decreases with pressure
D. Increases /decreases with pressure depending on the stoichiometric co-efficients of the
reaction - 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 - The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is________________________?
A. Backmix reactor
B. Plug flow reactor
C. Series of CSTR
D. PFR in series - With increase in K2/K1 in case of a unimolecular type elementary reactions as shown in the bellow figure, the fractional yield of ‘R’ in mixed reactor (for a given conversion of ‘A’) ?
A. Decreases
B. Increases
C. Increases linearly
D. Remain same - A typical example of an exothermic reversible reaction conducted at high pressure in industry is____________________?
A. Dehydration of ethanol
B. Methanol synthesis
C. Reformation of methane
D. Polymerisation of ethylene - For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a_________________?
A. Batch reactor is preferred over a single CSTR for high yield
B. Tubular reactor is preferred over a single CSTR for high yield
C. Both A. and B.
D. Single CSTR is the most suitable - If in the gaseous phase reaction, N2O4 ⇌ 2NO2, x is the part of N2O4 which dissociates, then the number of molecules at equilibrium will be___________________?
A. (1 + x)
B. (1 – x)
C. (1 + x)2
D. (1 – x)2 - For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to 1/4th of its initial volume, then the rate of reaction compared to the original rate will be ______________ times?
A. 8
B. 16
C. 1/8
D. 1/16
