inquisitivechemists

The hydrocarbon chemistry concept outlined in Chapter 4 (Alkene Alkyne I – acid catalyzed dehydration of alcohol) extends the theory to the application in synthesizing ethene. Ethanol, a primary alcohol, is used. It will be dehydrated with the presence of concentrated sulphuric acid , H2SO4) and at a temperature of 180 ° C . Ethanol gets dehydrated by eliminating water, H2O to give ethene (CH2=CH2). The mechanism for dehydration of primary alcohol is E2 reaction .   However, usually, in industry, ethene is obtained through cracking crude oil , which is splitting a longer chain of hydrocarbon into two shorter chain of hydrocarbon, which are one alkane and one alkene. 

Chemists set out to find sustainable alternatives to paper bags in response to environmental worries about deforestation and its effect on global warming. This journey resulted in the invention of plastic bags, with polyethylene emerging as a noteworthy and accidental breakthrough, offering versatility and environmental benefits. Initially, polyethylene was discovered accidentally by a chemist. However, it was proven to be a fortunate discovery. It is widely used attributed to its water resistant properties and lower production costs compared to paper bags. The accidental nature of its discovery has significantly impacted the world. Plastic is made of polymer of ethylene also known as polyethene. Polyethylene is produced industrially through the synthesis of ethylene as one of the main applications. Polyethylene has found applications not only in plastic bags but also in plastic and molded ware such as, plastic bottle, plastic container, plastic films, plastic toys, water tanks and mor...

Alkene can be synthesized through cracking crude oil. Alkane and alkene differ in their structure and characteristics. For further information, lets watch this video:   Cracking Crude Oil & Alkenes From the video, we learnt about cracking crude oil of longer molecule chains of hydrocarbons into smaller chain hydrocarbon that consists of alkane and alkene. Moreover, we learned about the difference between alkane and alken e. Highlighting the characteristics of alkene and how alkene is used in industry such as polymers production and their ability to decolorize bromine water which is one of the reactions involving alkene. The video begins by discussing crude oil as a mixture of various hydrocarbons. It undergoes a process of fractional distillation to separate the hydrocarbons based on their carbon chain lengths. Short-chain hydrocarbons are known as more flammable and make better fuels, whereas longer-chain hydrocarbons are less useful due to their viscosity. The process of...