A compound ‘A’a)Decolourizes B aeyer’s reagentb)On h...
The compound A, which is not mentioned in the question, exhibits certain reactions that allow us to determine its structure. Let's analyze the given reactions step by step.
a) Decolourization of B by A:
This implies that A undergoes a reaction with B, leading to the removal of color from B. This suggests that A is an oxidizing agent, as it is able to oxidize B and remove the colored impurities.
b) Hydroxylation and further oxidation of A by KMnO4:
The reaction of A with KMnO4 leads to the formation of formic acid and acetone. This indicates that A must contain a carbon-carbon double bond (C=C) since KMnO4 is known for its oxidative cleavage of C=C bonds. The oxidation of the C=C bond in A results in the formation of two carbonyl compounds, formic acid and acetone.
c) Ozonolysis of A:
Ozonolysis of A produces one molecule of acetone and one molecule of formaldehyde. This reaction is characteristic of compounds containing a double bond (C=C) or a triple bond (C≡C).
Based on the information obtained from the reactions, we can conclude that A must have a carbon-carbon double bond (C=C). Among the given options, only isobutylene (option D) contains a C=C bond. Therefore, the correct answer is option D, isobutylene.
In summary:
- Compound A is an oxidizing agent, as it decolorizes B.
- A contains a carbon-carbon double bond (C=C), as seen from its reaction with KMnO4 and ozonolysis.
- The reactions suggest that A is isobutylene, which is the correct answer (option D).
A compound ‘A’a)Decolourizes B aeyer’s reagentb)On h...
Isobutylene ~. H2C=CH-(CH3)2
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