Question: 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 Answer:…

Question: In the reversible reaction of the type, A + B AB, in general [A]. both forward and backward reactions will be exothermic. [B]. neither of the reactions will be en-dothermic. [C]. the combination reaction will be exothermic, while the…

Question: In the gaseous phase ammonia formation reaction (N2 + 3H2 2NH3), the value of the equilibrium constant depends on the [A]. total pressure of the system. [B]. volume of the reactor. [C]. temperature. [D]. initial concentration of N2 and…

Question: Calcination reaction of limestone (CaCO3 CaO + CO2) goes to completion in the rotary kiln, because [A]. CaO is not dissociated. [B]. CO2 escapes continuously. [C]. of high calcination temperature. [D]. CaO is more stable than CaCO3. Answer: Option…

Question: The reactions with low activation energy are [A]. always spantaneous [B]. slow [C]. fast [D]. non-spontaneous Answer: Option C Explanation: No answer description available for this question.

Question: The reactions of high molecularity are rare, because [A]. of very large activation energy of many bodies. [B]. of low probability of many body collisions. [C]. many body collisions are not favoured energetically. [D]. of requirement of very large…

Question: Holding time for flow reactors is __________ the space time, for constant fluid density [A]. double [B]. triple [C]. equal to [D]. none of these. Answer: Option C Explanation: No answer description available for this question.

Question: Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. [A]. decrease [B]. increase [C]. no change [D]. either (a) or (b), depends…

Question: Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes. [A]. 3 [B]. 4 [C]. 6 [D]. 8…

Question: Kinetics of a catalytic reaction can be best studied on a/an __________ reactor. [A]. mixed [B]. integral (plug flow) [C]. differential (flow) [D]. either (a), (b) and (c). Answer: Option D Explanation: No answer description available for this question.