Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.)

Chemical Reaction Engineering
Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.)

None of these

Reduced time (vt/V)

Reactor dispersion number (D/vL)

Thiele modulus (L√(k/D1)

None of these

Reduced time (vt/V)

Reactor dispersion number (D/vL)

Thiele modulus (L√(k/D1)

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Chemical Reaction Engineering
Rate of an autocatalytic chemical reaction is a function of

Composition only

All of these

Temperature only

Pressure only

Composition only

All of these

Temperature only

Pressure only

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Chemical Reaction Engineering
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Catalytic

Biochemical

Autocatalytic

Photochemical

Catalytic

Biochemical

Autocatalytic

Photochemical

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Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Slow reactions in catalyst of small pore diameter

Fast reactions in catalyst of small pore diameter

Slow reactions in catalyst of large pore diameter

Fast reaction in catalyst of large pore diameter

Slow reactions in catalyst of small pore diameter

Fast reactions in catalyst of small pore diameter

Slow reactions in catalyst of large pore diameter

Fast reaction in catalyst of large pore diameter

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Chemical Reaction Engineering
For reaction, P + 2 → 3R, molar rate of consumption of P is

Double of that of Q

Same as that of Q

Half of that of Q

2/3rd of that of Q

Double of that of Q

Same as that of Q

Half of that of Q

2/3rd of that of Q

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Chemical Reaction Engineering
Slurry reactors are characterised by the

Both A and B

Neither A nor B

Presence of two mobile phases

Lack of intraparticle diffusion resistance

Both A and B

Neither A nor B

Presence of two mobile phases

Lack of intraparticle diffusion resistance

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Chemical Reaction Engineering

Chemical Reaction Engineering Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.)

Chemical Reaction Engineering Rate of an autocatalytic chemical reaction is a function of

Chemical Reaction Engineering The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Chemical Reaction Engineering For reaction, P + 2 → 3R, molar rate of consumption of P is

Chemical Reaction Engineering Slurry reactors are characterised by the

Chemical Reaction Engineering
Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.)

Chemical Reaction Engineering
Rate of an autocatalytic chemical reaction is a function of

Chemical Reaction Engineering
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Chemical Reaction Engineering
For reaction, P + 2 → 3R, molar rate of consumption of P is

Chemical Reaction Engineering
Slurry reactors are characterised by the