Chemical Reaction Engineering
For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a

Batch reactor is preferred over a single CSTR for high yield
Both A and B
Tubular reactor is preferred over a single CSTR for high yield
Single CSTR is the most suitable

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Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Single tubular flow reactor (v = 5 litres)
Two stirred tank (each of 2.5 litres) in series
Single stirred tank (v = 5 litres)
Stirred tank followed by tubular flow reactor (each of 2.5 litres)

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