Question

An unsaturated hydrocarbon reacts with HCl to give a product that is identical with the

product obtained by treatingacetaldehyde with PCl5. What is the structural formula of

hydrocarbo​

Answer 1

Answer:

The hydration of propyne with HgSO4 /H2 SO4 followed by keto enol tautomerism gives propan-2-one. Oxidation with concentrated nitric acid gives a mixture of acetic acid and formic acid. Acetic acid reacts with PCl5 to form acetyl chloride.

Acetyl chloride undergoes esterification with ethanol to form ethyl acetate. Ethyl acetate is also formed when acetic acid reacts with ethanol in presence of conc. H

2SO4

.

In Hell Volhard- Zelinsky (HVZ) reaction, acetic acid reacts with Cl2

/ red P to form monochloro acetic acid. Further chlorination gives dichloro acetic acid and trichloro acetic acid.

Answer 2

Answer:

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