Pick out the wrong statement.

[A].	The vessel dispersion number (D/UL) for plug flow and mixed flow approaches zero and infinity respectively.
[B].	Space time in a flow reactor is a measure of its capacity and is equal to the residence time when the density of reaction mixture is constant.
[C].	Mixed reactor is always smaller than the plug flow reactor for all positive reaction orders for a particular duty.
[D].	In an ideal tubular flow reactor, mixing takes place in radial direction and there is no mixing in logitudinal direction.

Answer: Option C

Explanation:

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