81. A batch reactor suffers from following disadvantage.
82. The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the
83. In a zero order reaction, reactants concentration does not change with time and the
84. Pick out the wrong statement.
85. A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as $$\frac{7}{8}$$. Which of the following statement is true?
86. For series reaction, the relative yield
87. In a reversible reaction, a catalyst increases the rate of forward reaction
88. Shift conversion reaction
89. The following gas phase reactions are carried out isothermally in a CSTR.
A → 2R; r1 = k1pA;
k1 = 20 mole/(sec.m3.bar)
A → 3S; r2 = k2pA;
k2 = 40 mole/(sec.m3.bar)
What is the maximum possible value of FR (mole/sec)?
A → 2R; r1 = k1pA;
k1 = 20 mole/(sec.m3.bar)
A → 3S; r2 = k2pA;
k2 = 40 mole/(sec.m3.bar)
What is the maximum possible value of FR (mole/sec)?
90. When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is
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