Question

Ethylene reacts with sulphur monochloride to form (1) \(\mathbf{C l}-\mathbf{C H}_{2}-\mathrm{S}-\mathrm{CH}_{2} \mathrm{C} l\) (2) \(\mathbf{C l}-\mathrm{CH}=\mathrm{CH}-\mathrm{S}-\mathrm{CH}=\mathrm{CH}-\mathrm{Cl}\) (3) \(\mathrm{C} l-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{S}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{Cl}\) (4) \(\mathrm{Cl}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{S}-\mathrm{S}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{Cl}\)

Short answer

The correct product is (4) Cl-CH2-CH2-S-S-CH2-CH2-Cl.

Step-by-step solution

Understand the Reactants

Identify the reactants given in the exercise: Ethylene (C2H4) and sulfur monochloride (S2Cl2).

React Ethylene with Sulfur Monochloride

Focus on the reaction between ethylene and sulfur monochloride. Sulfur monochloride (S2Cl2) can react with ethylene (C2H4) to form various products depending on the reaction conditions. Generally, ethylene reacts with S2Cl2 to form 1,2-dichloroethane polysulfides.

Check for Possible Products

Review the possible products given: (1) (2) (3) (4) These products are variations of ethylene reacting with different forms of sulfur and chlorine.

Identifying Correct Reaction Product

Identify the structure that corresponds to a logical product of ethylene reacting with sulfur monochloride. Ethylene reacts with sulfur monochloride through the formation of a cyclic or linear intermediate leading to option (4): eesyy>The correct answer is Cl-CH2-CH2-S-S-CH2-CH2-Cl.

Key concepts

Chemical Reactions

Chemical reactions involve the breaking and forming of chemical bonds to transform reactants into products. In this exercise, the reactants are ethylene \((C_2H_4)\) and sulfur monochloride \((S_2Cl_2)\). These compounds interact in a way that produces a new chemical substance.

When these substances react, they undergo a transformation forming new bonds. For example, bonds in ethylene and sulfur monochloride break and then new bonds form to produce the final product. This process helps make more complex and useful chemicals from simpler ones. In our specific case, the reaction concludes with the formation of 1,2-dichlorosulfanedy.

Organic Chemistry

Organic chemistry is the study of carbon-containing compounds. Ethylene, \((C_2H_4)\), is one such compound and is a key molecule in organic chemistry. It consists of two carbon atoms double-bonded to each other, with each carbon also bonded to two hydrogen atoms.

Sulfur monochloride \((S_2Cl_2)\) is another organic compound involved in this reaction, containing sulfur and chlorine. The reaction of ethylene with sulfur monochloride leads to the formation of organosulfur compounds, vital in industries and biological systems. Understanding these reactions helps chemists design new materials and pharmaceuticals.

Reaction Mechanism

A reaction mechanism describes the step-by-step process by which a chemical reaction occurs. In the ethylene and sulfur monochloride reaction, there's a detailed sequence. First, ethylene interacts with sulfur monochloride, breaking existing bonds and forming new ones.

Typically, sulfur monochloride reacts with ethylene to generate a polysulfide product. The detailed mechanism in this case involves intermediates that lead to a product where sulfur forms bonds with ethylene. The resulting mechanism produces product (4) in the exercise: \(Cl-CH_2-CH_2-S-S-CH_2-CH_2-Cl\).

Chemical Compounds

Chemical compounds are substances composed of two or more different elements bonded together in fixed proportions. Ethylene and sulfur monochloride are the initial compounds in this exercise. The reaction forms a new compound that combines parts of both reactants.

The product here, \(Cl-CH_2-CH_2-S-S-CH_2-CH_2-Cl\), is a more complex molecule created from simpler ones. The process of combining different elements into unique chemical compounds allows scientists and engineers to develop new materials with specific desired properties.