Question

CaCO3-CaC2-C2H2-C2H4-C2H5Cl-бутен и циклобутан

Answer 1

Чего знаю...

2) CaC₂ + 2H₂O = Ca(OH)₂ +C₂H₂

3) C₂H₂ + H₂ = (при t, Ni) = C₂H₄

Answer 2

Chemical Reactions and Compounds

The given sequence of compounds and reactions is as follows: CaCO3 - CaC2 - C2H2 - C2H4 - C2H5Cl - butene - cyclobutane.

1. CaCO3: Calcium carbonate (CaCO3) is a chemical compound commonly found in rocks and minerals such as limestone and marble. It is widely used in various industries, including construction, agriculture, and manufacturing.

2. CaC2: Calcium carbide (CaC2) is produced by heating calcium carbonate (CaCO3) and carbon in an electric arc furnace. It is primarily used in the production of acetylene gas (C2H2) through a reaction known as carbide lamp.

3. C2H2: Acetylene gas (C2H2) is a hydrocarbon compound with a triple bond between two carbon atoms. It is highly flammable and is commonly used as a fuel for welding and cutting torches.

4. C2H4: Ethylene (C2H4) is a gaseous hydrocarbon compound with a double bond between two carbon atoms. It is widely used in the production of plastics, solvents, and various chemical intermediates.

5. C2H5Cl: Ethyl chloride (C2H5Cl) is an organic compound that is used as a refrigerant, solvent, and local anesthetic. It is produced by the reaction of ethylene (C2H4) with hydrogen chloride (HCl).

6. Butene: Butene is a collective term for a group of hydrocarbon compounds with four carbon atoms and a double bond. It exists in several isomeric forms, including 1-butene, cis-2-butene, trans-2-butene, and isobutene. Butene is used as a raw material in the production of various chemicals, including plastics and synthetic rubber.

7. Cyclobutane: Cyclobutane is a cyclic hydrocarbon compound with four carbon atoms arranged in a ring. It is highly reactive and is mainly used as a building block in organic synthesis.

Please note that the information provided above is based on the search results and may not cover all aspects of the compounds and reactions mentioned. For more detailed information, it is recommended to refer to reliable chemistry textbooks or scientific literature.