Aldehydes and Ketones - Result Question 14
####14. The most suitable reagent for the conversion of $R-CH _2-OH \rightarrow R-CHO$ is
(2014 Main)
(a) $KMnO _4$
(b) $K _2 Cr _2 O _7$
(c) $CrO _3$
(d) PCC (pyridinium chlorochromate)
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Answer:
Correct Answer: 14. $(d)$
Solution:
- $R-CH _2 OH \xrightarrow{PCC} R-CH=O$
Pyridinium chlorochromate is the mild oxidising agent which causes conversion of alcohol to aldehyde stage. While others causes conversion of alcohol to acid.
