WorksheetsQuiz 1- Hydrocarbon, Benzene and Haloalkanes
Total questions: 20
Worksheet time: 3600secs
By using Saytzeff`s Rule, determine the most stable alkene.
(C2H5)2C=CH2
CH2=CHC4H9
(CH3)2C=C(CH3)2
C2H5CH=CHC2H5
What is wrong with the name 2,4-methylhexane
inappropriate use of commas
inappropriate use of dashes
a prefix is missing
a space is missing
Which of the following has the lowest boiling point?
CH3CH2CH2CH2CH3
(CH3)2CHC2H5
C(CH3)4
CYCLOPENTANE
IUPAC name for the compound is?
1-chloro-1-methyl-2-isopropylheptane
2-methyl-3-chlorooctane
2-chloro-3-isopropyloctane
3-chloro-2-methyloctane
What is the intermediate in this reaction?
These statements about aromatic compounds are correct EXCEPT
They are cyclic and planar
They follow Huckel's 4n rule
They have conjugated double bonds
They have delocalized undefinedelectrons
What is the correct name for this compound?
4-bromotoluene
4-bomo-1-methylbenzene
(4-bromophenyl)methane
phenyl-1,4-bromomethane
What is the correct name of this compound?
2-chlorobenzaldehye
2-formylchlorobenzene
1-chlorophenaldehyde
2-chlorobenzylformate
What is the correct name for this compound?
o-hydroxymethylbenzene
m-hydroxytoluene
o-methylphenol
m-methylphenol
What is the other name of aromatic hydrocarbons?
Alkenes
Alkynes
Arenes
Alkanes
Which of the following characteristics is not for aromatic compound
Follow Huckle's rule
All p-orbitals able to overlap to adjacent p-orbitals
Open structure
Have alternate single double bond
How would you classify 2-bromopropane as a haloalkane?
Primary
Secondary
Tertairy
Methyl
The name of the mechanism when 1-bromopropane reacts with aqueous sodium hydroxide is...
Nucleophilic addition
Nucleophilic substitution
Electrophilic addition
Electrophilic substitution
Which is 1,3-dichloro-2-methylpropane?
SN1 stand for
Unimolecular nucleophilic substitution
Bimolecular nucleophilic substitution
Which of the following species is/are nucleophile(s)?
I. OH–
II. H2O
III. R3C–
I only
I and II only
II and III only
I, II and III
Which is a primary alkyl halide?
CH3CH(Br)CH3
C6H5Cl
CH3CH(CH2Br)CH3
CH3CH2C(Cl)2CH3
A is a secondary haloalkane with formula C5H11Br and optically active. Identify A.
CH3CH2CH2CH2CH2Br
CH3CH(Br)CH2CH2CH3
(CH3)2C(Br)CH2CH3
(CH3)2C(Br)C(CH3)2CH2CH3
What did Kekulé suggest as a structure for benzene?
A 3D cage of carbons with a complex system of bonds between them, with one hydrogen attached 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
A long, long chain of carbons and hydrogens with alternating single and double bonds between the carbons
A ring of six carbons with alternating single and double bonds between the carbons, with one hydrogen atom bonded to each carbon
