The most suitable reagent for the following conversion is:

$K M n O_{4}$

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$K_{2} C r_{2} O_{7}$

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$C r O_{3}$

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PCC (pyridinium chlorochromate)

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Solution

The correct option is D
PCC (pyridinium chlorochromate)

The other three all contain aqueous media (we should not have moisture/water). PCC helps stop at the aldehyde stage whereas the other three all convert the alcohol directly into acid. Isolation at aldehyde is not feasible. PCC gives the aldehyde.

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Similar questions

R C H_{2} O H PCC in C H_{2} C l_{2} - -------- \to R C H O

The most suitable reagent for the conversion of $R - C H_{2} - O H \to R - C H O$ is

R C H_{2} O H \to R C H O

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