A batch reactor is suitable for Obtaining uniform polymerisation products in highly exothermic reactions Large scale gaseous phase reactions Achieving cent percent conversion of reactants into products Liquid phase reactions TRUE ANSWER : ? YOUR ANSWER : ?
A reactor is generally termed as an autoclave, when it is a High pressure batch reactor Atmospheric pressure tank reactor High pressure tubular reactor Atmospheric pressure CSTR TRUE ANSWER : ? YOUR ANSWER : ?
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Neither A nor B Pressure Temperature Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) 1 L√(K/D1) 1/(L√(K/D1)) ∞ TRUE ANSWER : ? YOUR ANSWER : ?
Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction. Consecutive Parallel Elementary None of these TRUE ANSWER : ? YOUR ANSWER : ?
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ > 0.5 < 0.5 0 TRUE ANSWER : ? YOUR ANSWER : ?
In a reversible reaction, a catalyst increases the rate of forward reaction And the backward reaction equally Only And decreases that of the backward reaction To a greater extent than that of the backward reaction TRUE ANSWER : ? YOUR ANSWER : ?
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. Photochemical Autocatalytic Catalytic None of these TRUE ANSWER : ? YOUR ANSWER : ?
Design of heterogeous catalytic reactor involves consideration of __________ steps. Only chemical Neither A nor B Only physical Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following chemical reactions will be favoured by low pressure ? None of these N₂ + O₂ ⇋ 2NO N₂O₂ ⇋ 2NO₂ 2HI ⇋ H₂ + I₂ TRUE ANSWER : ? YOUR ANSWER : ?