WorksheetsBenzene and its compound
Total questions: 15
Worksheet time: 8mins
All of the following react with benzene except:
Water
Nitric acid
Bromine
Sulfuric acid
Methyl chloride
Benzene is ......
trigonal planar
tetrahedral
planar
hexagonal
What is true about C-C bond lengths in benzene?
Alternative longer and shorter length
All the same length
All different length
Two are the same length and the third one is different
What is the other name of aromatic hydrocarbons?
Arsenes
Alkynes
Arenes
Albumenes
What is reagent D used in nitration reaction??
KMnO4
conc HNO3, Conc H2SO4
conc HNO2, Conc H2SO4
conc H2SO4
What did Kekulé suggest as a structure for benzene?
A long, long chain of carbons and hydrogens with alternating single and double bonds between the carbons
A 3D cage of carbons with a complex system of bonds between them, with one hydrogen attached to each carbon
A ring of six carbons with alternating single and double bonds between the carbons, with one hydrogen atom bonded to each carbon
A ring of six carbon atoms with a stable, delocalised system of s-electrons forming bonds between the carbons and the single hydrogen atom bonded to each carbon
Identify phenol from the structures below.
56 – 60 ℃
50 – 55 ℃
Heated
Cold diluted
During the nitration of benzene, the two acids involved react to form a cation. The formula of this positive ion is NO2+, but, what is the name of this?
Nitrilium
Nitroglycerin
Nitroxyl
Nitronium
Identify the product for the following reaction (R) ?
An example of the electrophilic substitution reactions of benzene is halogenation. Which of the following chemical elements could be the substitute of the hydrogen that is lost during the reaction?
Tungsten
Chlorine
Krypton
Sodium
Which of these reactions will not happen?
Phenol + Sodium Carbonate
Phenol + Bromine water
Phenol + Dilute nitric acid
Phenol + Concentrated nitric acid
