KCET · Chemistry · Alcohols Phenols and Ethers
PCC is
- A \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\) Pyridine
- B \(\mathrm{CrO}_3+\mathrm{CHCl}_3\)
- C \(\mathrm{CrO}_3+\mathrm{H}_2 \mathrm{SO}_4\)
- D A complex of chromium trioxide with pyridine \(+\mathrm{HCl}\)
Answer & Solution
Correct Answer
(D) A complex of chromium trioxide with pyridine \(+\mathrm{HCl}\)
Step-by-step Solution
Detailed explanation
PCC is pyridinium chlorochromate. It is a complex of chromium trioxide with pyridine +HCl , i.e. \(\left[\mathrm{C}_5 \mathrm{H}_5 \mathrm{NH}\right]^{+}\left[\mathrm{CrO}_3 \mathrm{Cl}\right]\).
It is a reagent in organic synthesis used primarily for oxidation of alcohols to form carbonyl.
It is a reagent in organic synthesis used primarily for oxidation of alcohols to form carbonyl.
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