For the following reaction, select the statement that best describes the change.
`RCH_(2)OH+PC C [C_(5)H_(5)NH^(+)ClCrO_(3)^(-)] rarr`

Options

A. The alcohol is oxidised to an acid, and the `Cr(VI)` is reduced.
B. The alcohol is oxidized to an aldehyde, and the `Cr(VI)` is reduced.
C. The alcohol is reduced to an aldehyde, and the `Cr(III)` is oxidized.
D. The alcohol is oxidized to a ketone, and the `Cr(VI)` is reduced.

Answer

B

Explanation

`Cr^(6+)rarr Cr^(3+)("PCC oxidises "1^(@)" alcohol to aldehyde")`