R is one of the monomers for the formation of a polymer called
R is one of the monomers for the formation of a polymer called
Darcron
Nylon 6,6
Nylon 6
Bakelite
The Correct Option is A
Solution and Explanation
1. Understanding the Reaction Scheme:
The reaction provided follows these steps:
- The starting compound is a nitrobenzene derivative (C6H4NO2). The first step involves oxidation using potassium permanganate (KMnO4) in the presence of a hydroxide (OH-) ion, which will convert the methyl group (-CH3) into a carboxyl group (-COOH), forming a compound labeled 'P'.
- The second step involves reduction using zinc (Zn) and hydrochloric acid (HCl), followed by nitration using sodium nitrite (NaNO2) in the presence of HCl at 0°C, leading to compound 'Q'.
- The final step involves the reaction of compound 'Q' with cuprous cyanide (CuCN) followed by the addition of hydrogen ions (H+) and water (H2O), leading to the formation of 'R'.
2. Identifying the Polymer:
The compound 'R' formed at the end of the sequence is a monomer that can be polymerized to form a specific polymer. By recognizing the sequence of reactions and their results, the compound 'R' is a monomer used in the formation of Dacron, which is also known as polyester.
Final Answer:
The correct option is Dacron.
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Concepts Used:
Introduction to Organic Chemistry
Organic chemistry is the branch of chemistry that involves the scientific study of organic compounds. Organic chemistry primarily deals with the structure and chemical composition of organic compounds, the physical and chemical properties of organic compounds, and the chemical reactions undergone by these compounds.
Reaction Intermediates in Organic Chemistry:
Intermediates can be understood as the first product of a consecutive reaction. For example, in a chemical reaction, if A→B and B→C, then, B can be said to be the intermediate for reaction A→C. The reactions in organic chemistry occur via the formation of these intermediates.
Reagents in Organic Chemistry:
Reagents are the chemicals that we add to bring about a specific change to an organic molecule. Any general reaction in organic chemistry can be written as:
Substrate + Reagent → Product
Where the substrate is an organic molecule to which we add the reagent. Based on the ability to either donate or abstract electrons, the reagents can be classified as:
- Electrophiles
- Nucleophiles