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Chapter 5: Problem 64

\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{CH}=\mathrm{CHCHO} \rightarrow \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{CH}=\mathrm{CHCOOH}\) The best oxidizing agent that can be used for the above conversion is (a) acidified \(\mathrm{KMnO}_{4}\) solution (b) Tollens' reagent (c) \(\mathrm{SeO}_{2}\) in \(\mathrm{AcOH}\) (d) all the above

Short Answer

Expert verified
a) Acidified \(\mathrm{KMnO}_{4}\) solution b) Tollens' reagent c) \(\mathrm{SeO}_{2}\) in \(\mathrm{AcOH}\) d) All the above Answer: d) All the above

Step by step solution

01

Analyze the oxidizing agent (a) - acidified \(\mathrm{KMnO}_{4}\) solution

Acidified potassium permanganate (\(\mathrm{KMnO}_{4}\)) is a strong oxidizing agent and can easily oxidize aldehydes to carboxylic acids. Therefore, this can be a suitable option to perform the given reaction.
02

Analyze the oxidizing agent (b) - Tollens' reagent

Tollens' reagent is a relatively mild oxidizing agent primarily used to distinguish aldehydes from ketones. This reagent selectively oxidizes aldehydes to carboxylic acids, but it doesn't affect C=C double bonds. Hence, this can be a suitable option to perform the given reaction without affecting the C=C double bond.
03

Analyze the oxidizing agent (c) - \(\mathrm{SeO}_{2}\) in \(\mathrm{AcOH}\)

Selenium dioxide (\(\mathrm{SeO}_{2}\)) in acetic acid (\(\mathrm{AcOH}\)) is a selective oxidizing agent that can oxidize aldehydes to their corresponding carboxylic acids. This reagent is also selective in its action and doesn't affect C=C double bonds. Therefore, this can be a suitable option to perform the given reaction.
04

Analyze the oxidizing agent (d) - all the above

Since all the mentioned oxidizing agents are suitable for performing the given reaction, option (d) - all the above, is the correct answer. All the mentioned agents can oxidize the aldehyde compound to a carboxylic acid compound without affecting the C=C double bond.

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Most popular questions from this chapter

If (b) is 2 - chloro ethanol, then (A) is (a) 2 - chloro propanal (b) chloro propanal (c) chloro propanone (d) chloro ethanal

Terephthalic acid is obtained by the oxidation of ( \(\mathrm{X}\) ) with acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{r^{*}}(\mathrm{X})\) is (a) ortho xylene (b) meta xylene (c) para xylene (d) ethylbenzene

Aldol condensation cannot occur between (a) two aldehydes (b) an aldehyde and a ketone (c) two ketones (d) an aldehyde and an ester

When distilled with concentrated sulphuric acid, propanone gives (a) monomethyl benzene (b) dimethyl benzene (c) trimethyl benzene (d) propanoic acid

Which of the following is/are correct about Cannizzaro reaction? (a) Step-1 involves attack of \(\mathrm{OH}^{\odot}\) on carbonyl carbon of aldehyde having no \(\alpha\) - hydrogen (b) Step-1 is the rate determining step (c) Step-2 involves hydride shift (d) In crossed Cannizzaro reaction involving formaldehyde, it always undergoes oxidation.
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