Stoichiometry
Pick out the wrong statement about the recycle stream in a process.

The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the quantity of the same reactant entering the process as fresh feed is called combined feed ratio
Recycling in a process stream helps in utilising the valuable reactants to the maximum with minimum loss of reactants
Recycling in a process does not help in getting higher extent of reaction
Recycling is exemplified by refluxing back a part of the distillate to the distillation column to maintain the quantity of liquid within the column

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Stoichiometry
The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

Temperature & pressure
Number of intermediate chemical reactions involved
None of these
State of aggregation & the state of combination at the beginning & the end of the reaction

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