Chemistry, asked by tmin52257, 23 hours ago

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Answered by rensji
1
1. Catalytic cracking is an important process in the oil industry where petroleum vapor passes through a low-density bed of catalyst, which causes the heavier fractions to 'crack' producing lighter more valuable products. ... The particles move upwards in the center of the bed and fall downwards, under gravity, at the walls.
2. These processes break covalent bonds in the molecules, causing thermal decomposition reactions. Cracking produces smaller alkanes and alkenes .
3 . cracking, in petroleum refining, the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and usually pressure and sometimes catalysts. ... Also in the 1920s, French chemist Eugène Houdry improved the cracking process with catalysts to obtain a higher-octane product.
4. Importance in Cracking

There are two major functions of cracking:

The supply of fractions is matched with the demand. Crude oil’s fractional distillation aids in the production of larger hydrocarbons as opposed to smaller hydrocarbons. Once cracking leads to conversion of smaller hydrocarbons from larger ones, fuels such as petrol are formed. The supply of fuel has improved.

The production of alkenes is also undertaken with the help of cracking. Given that alkenes are more reactive as opposed to alkanes, the former acts as feedstock for the petrochemical industry.
Answered by munishvigen
0

Answer:

1. cracking, in petroleum refining, the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and usually pressure and sometimes catalysts.

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