Name the reagent used in the following reaction: Oxidation of a primary alcohol to aldehyde. - Chemistry

Question

Name the reagent used in the following reaction:

Oxidation of a primary alcohol to aldehyde.

One Line Answer

Solution

Pyridinium chlorochromate (PCC), C₅H₅NH⁺Cr CrO₃Cl⁻ (in CH₂Cl₂) or pyridinium dichromate (PDC), \[\ce{(C5H5N^+H)2Cr2O^-_7}\] (in CH₂Cl₂) is used in the oxidation of a primary alcohol to aldehyde.

shaalaa.com

Chemical Reactions of Alcohols and Phenols - Reactions Involving Cleavage of Carbon–Oxygen (C–O) Bond in Alcohols

Is there an error in this question or solution?

Q 7.21 (ii)Q 7.21 (i)Q 7.21 (iii)

Chapter 7: Alcohols, Phenols and Ethers - Exercises [Page 223]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12

Chapter 7 Alcohols, Phenols and Ethers
Exercises | Q 7.21 (ii) | Page 223

RELATED QUESTIONS

When 3-methylbutan-2-ol is treated with HBr, the following reaction takes place:

\[\begin{array}{cc}
\phantom{.......................}\ce{Br}\\
\phantom{......................}|\\
\ce{CH3 - CH - CH - CH3 ->[HBr] CH3 - C - CH2 - CH3}\\
\phantom{.}|\phantom{......}|\phantom{......................}|\phantom{........}\\
\phantom{}\ce{CH3}\phantom{...}\ce{OH}\phantom{...................}\ce{CH3}\phantom{.....}
\end{array}\]

Give a mechanism for this reaction.

(Hint: The secondary carbocation formed in step II rearranges to a more

stable tertiary carbocation by a hydride ion shift from 3rd carbon atom.)

Write the mechanism (using curved arrow notation) of the following reaction :