The reaction temperature of the preparat...

The reaction temperature of the preparation of butanal by the oxidation of butan-1-ol using acidifed `K_(2)Cr_(2)O_(7)` is (Given : b.p. of butanal = 349 K, b.p. of butan-1-ol = 391 K)

A

392 K

B

345 K

C

340 K

D

352 K

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