Organic catalysts differ from the inorganic catalyst in the sense that the former is Active at very high temperature only Prohibitively costly Active at cryogenic temperatures only Proteinous in nature TRUE ANSWER : ? YOUR ANSWER : ?
Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated CaO is more stable than CaCO₃ CO₂ escapes continuously Of high calcination temperature TRUE ANSWER : ? YOUR ANSWER : ?
What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Third First Zero Second TRUE ANSWER : ? YOUR ANSWER : ?
Rate of an autocatalytic chemical reaction is a function of Temperature only Pressure only All of these Composition only TRUE ANSWER : ? YOUR ANSWER : ?
The rate constant of a chemical reaction increases by increasing the Pressure Temperature Reactant's concentration None of these TRUE ANSWER : ? YOUR ANSWER : ?
From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is °K K cal. °K K cal/°K K cal TRUE ANSWER : ? YOUR ANSWER : ?
A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction. Equal to More than Less than Equal to or more than TRUE ANSWER : ? YOUR ANSWER : ?
The importance of diffusion in a catalyst are increased by An active surface of the catalyst Large catalyst particle size Small pore diameter All of these TRUE ANSWER : ? YOUR ANSWER : ?
For a tubular flow reactor with uniform concentration and temperature, the independent variable is None of these Length Diameter Time TRUE ANSWER : ? YOUR ANSWER : ?
Kinetics of a solid catalysed reaction can best be studied in a __________ reactor. Mixed Plug-flow None of these Batch TRUE ANSWER : ? YOUR ANSWER : ?