1/25
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
• Benzene (C6H6 ),
was first isolated in 1825 by English chemist Michael Faraday from the oily residues after heating whale oil under pressure to produce gases used to illuminate buildings in London.
Michael Faraday in 1825
Who first isolated benzene, and in what year?
whale oil
was first isolated from the oily residues after heating ___ under pressure to produce gases used to illuminate buildings in London.
Benzene
industrial solvent and gasoline additive
4n + 2
Huckel’s Rule
Benzoic acid
– antimicrobial food additive/antifungal and antibac preservative
-”FUNGISTATIC”
gum benzoin
benzoic acid(C6H5CO2H), a compound obtained by chemical degradation of ———- ,the fragrant balsam exuded by a tree that grows on the island of Java, Indonesia
Benzene
Toluene
Related hydrocarbons
WHAT ARE THE 3 Not particularly pleasant smelling
Joseph Loschmidt 1861
an Austrian chemist, recognized in 1861 that most aromatic substances have formulas that can be derived from benzene by replacing one or more hydrogens by other atoms or groups.
aromatic
WHAT term thus came to mean any compound structurally derived from benzene.
aromatic compounds.
Benzene, C6H6 , is the parent hydrocarbon of the especially stable compounds known as ———-
liquids or solids
All arenes are either at room temperature? None are gases.
insoluble
Aromatic hydrocarbons are WHAT in water?
solvent
Benzene was once widely used as a ——- , but evidence of its carcinogenic properties prompted its replacement by less hazardous solvents.
substitution
WHAT reactions of aromatic compounds involve ——
electrophilic aromatic substitution reaction
The most common reactions of aromatic compounds involve substitution of other atoms or groups for aromatic hydrogen on the aromatic unit, or more precisely called an —————
Lewis acid
WHAT is the CATALYST in Halogenation
Iodine
Flourine
Chlorine
Bromine
What are the 3 types of halogen involve in Aromatic Hydrocarbons
Ferric Chloride
Ferric Bromide
Lewis acid such as
oxidizing agent
Electrophilic iodine (I+ ) is obtained by treating I2 with an —- such as nitric acid.
nitric acid.
HALOGENATION:
Electrophilic iodine (I+ ) is obtained by treating I2 with an oxidizing agent such as?
Sulfuric acid
WHAT is the CATALYSIT in NITRATION
Heat
WHAT is the CATALYSIT in SULFONATION
Charles Friedel
James Crafts
WHO involve in Friedel–Crafts Reaction
acyl
Friedel–Crafts acylation places an —— group on a benzene ring
alkyl
Friedel–Crafts alkylation places an —- group on a benzene ring.