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Chapter 5: Problem 53

The products of oxidation of 2 -pentanone with concentrated nitric acid are (a) propanoic acid and ethanoic acid (b) butanoic acid and methanoic acid (c) propanoic acid and methanoic acid (d) 2 -methyl propanoic acid and methanoic acid

Short Answer

Expert verified
Answer: The products of oxidation of 2-pentanone with concentrated nitric acid are propanoic acid and ethanoic acid.

Step by step solution

01

Write the structure of 2-pentanone

Firstly, write the structure of 2-pentanone. The structure is as follows: CH3 - CH2 - CO - CH2 - CH3
02

Oxidation of 2-pentanone with concentrated nitric acid

When 2-pentanone reacts with concentrated nitric acid, it undergoes an oxidation reaction by breaking carbon-carbon bonds adjacent to the carbonyl group. The carbonyl carbon (C=O) will oxidize to a carboxylic acid group (-COOH). For 2-pentanone, it will break the bond between the 2nd and 3rd carbon after oxidation. Now, we will have the following products: 1. A 2-carbon chain with a carboxylic acid group (-COOH) attached to the carbonyl carbon. 2. A 3-carbon chain with a carboxylic acid group (-COOH) attached to the carbonyl carbon.
03

Write the IUPAC names of the products

Write the IUPAC names for the obtained compounds in step 2: 1. The 2-carbon compound with a carboxylic acid group is called ethanoic acid (CH3-COOH). 2. The 3-carbon compound with a carboxylic acid group is called propanoic acid (CH3-CH2-COOH).
04

Match the obtained products with the given choices

Now, let's match our products with the given choices: (a) propanoic acid and ethanoic acid (b) butanoic acid and methanoic acid (c) propanoic acid and methanoic acid (d) 2 -methyl propanoic acid and methanoic acid Our products, propanoic acid and ethanoic acid, match with choice (a). Therefore, the correct answer is (a) propanoic acid and ethanoic acid.

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Most popular questions from this chapter

Which of the following pairs will give effervescence with aqueous sodium hydrogen carbonate solution? (a) \(\mathrm{CH}_{3} \mathrm{COCl}\) and \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}\) (b) \(\mathrm{CH}_{3} \mathrm{CONH}_{2}\) and \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\) (c) \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}\) and \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}\) (d) \(\mathrm{CH}_{3} \mathrm{COCl}\) and \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)

The organic compound formed by the dry distillation of calcium adipate is reduced with zinc amalgam and concentrated hydrochloric acid. The final product formed is (a) cyclopentane (b) pentane (c) cyclopentanol (d) cyclohexane

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