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Chemical Reaction Engineering

Chemical Reaction Engineering
The dispersion number of perfect mixed flow is

∞
> 150
< 2100

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Chemical Reaction Engineering
Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction.

Parallel
None of these
Elementary
Consecutive

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Chemical Reaction Engineering
Find a mechanism that is consistent with the rate equation and reaction given below: 2A + B → A₂B, ( - rA) = k.CA.CB

A + A ⇋ AA;AA + B → A₂B
A + B ⇋ AB ; AB + A → A₂B
A + A ⇋ AA;AA + B → A₂B
A + B ⇋ AB;AB + A → A₂B

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Chemical Reaction Engineering
A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be

2τ
0.5τ
τ/0.693
0.693τ

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Chemical Reaction Engineering
A balanced chemical reaction equation conforms to the law of

Conservation of mass
Gaseous volumes
None ofthese
Avagadro's hypothesis

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Chemical Reaction Engineering
The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor.

Unpredictable from the data
Smaller than
Greater than
Equal to

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