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Is Synthesis of phthalic acid from benzene possible?
Yes, synthesis of phthalic acid from benzene is possible through a multi-step process. One common method involves first converting benzene to phthalic anhydride through oxidation and then hydrolyzing the anhydride to form phthalic acid. These processes require specific reagents and conditions to be successful.
What is the bond order for the benzene molecule?
The bond order for the benzene molecule is 1.5. Benzene is a resonance hybrid of two possible structures, each involving alternating single and double bonds. This creates a partial double bond character for all the carbon-carbon bonds in benzene, resulting in a bond order of 1.5.
Which isomer of xylene does form only one trisubstituted benzene?
1,3-dimethylbenzene (meta-xylene) forms only one trisubstituted benzene due to its symmetrical structure, where the two methyl groups are in the meta positions with respect to each other on the benzene ring. This symmetry allows for only one possible trisubstituted product to form.
Why was addition polymerisation given its name?
Addition polymerisation is named for the process it involves, where monomers with double or triple bonds react to form a polymer without the loss of any small molecules. In this type of polymerisation, the monomers "add" together to create long chains, hence the term "addition." This contrasts with condensation polymerisation, where small molecules are released during the reaction. The name highlights the key characteristic of the reaction mechanism.
Deferent between benzene and petroleum benzene?
Benzene is a specific chemical compound with the formula C6H6, while petroleum benzene refers to benzene that is derived from crude oil during the refining process. Petroleum benzene may contain impurities and other hydrocarbons not present in pure benzene.
Does Polystyrene contain benzene rings?
Yes (and no!) The styrene molecule is a benzene ring with a -CH=CH2 group attached. In the polymerisation process, the double bonds in two adjacent groups are broken and joined to form a chain: -CH-CH2-CH-CH2-CH-CH2-CH-CH2-....... with a benzene ring off each -CH- group. I believe the benzene group is referred to as a "phenyl group" in complex molecules, such as polymers like polystyrene.
Is Synthesis of phthalic acid from benzene possible?
Yes, synthesis of phthalic acid from benzene is possible through a multi-step process. One common method involves first converting benzene to phthalic anhydride through oxidation and then hydrolyzing the anhydride to form phthalic acid. These processes require specific reagents and conditions to be successful.
What is the bond order for the benzene molecule?
The bond order for the benzene molecule is 1.5. Benzene is a resonance hybrid of two possible structures, each involving alternating single and double bonds. This creates a partial double bond character for all the carbon-carbon bonds in benzene, resulting in a bond order of 1.5.
What are the examples of polymerisation?
polyethylene,polyvinylchloride
How is polymerisation carried out?
There are 2 types:- Addition polymerisation is polymerisation in which monomers are joined across the double bond, for example polyethene. Condensation polymerisation is when water is lost from the two monomers for example the polymerisation of nylon, the two monomers are a diamine and dicarboxylic acid. From the amine an H goes and combines with and OH from the acid to form water. From this reaction, 2 moles of water are lostto form nylon -NH-[ ]-NH-C=O-[ ]-C=O-
What covalent compound has 8 carbon?
There are many of them, starting with octane, octene, and octyne and their numerous possible isomers; octanols and octane diols and triols; ethyl benzene; dimethyl benzene; etc.
What is polymerisation reaction?
Polymerisation is a process of reacting monomer molecules together in a chemical reaction to form three-dimensional networks or polymer chains.
Which isomer of xylene does form only one trisubstituted benzene?
1,3-dimethylbenzene (meta-xylene) forms only one trisubstituted benzene due to its symmetrical structure, where the two methyl groups are in the meta positions with respect to each other on the benzene ring. This symmetry allows for only one possible trisubstituted product to form.
What technology is used in the manufacturing of polythene?
Polymerisation
What is electropolymerization?
polymerisation in the presence of an electrical current
What process joins two monomers?
Addition polymerisation
When monomers join up the process is called?
polymerisation.
