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WorksheetsIntroduction to Organic Chemistry
Total questions: 20
Worksheet time: 20mins
Hydrocarbons that contain a delocalized ring of π-bonds such as benzene ring are called ___________ hydrocarbons.
aromatic
aliphatic
organic
cyclo
Aliphatic hydrocarbons consist only single bonds, and so are called ____________ hydrocarbons.
unsaturated
saturated
aromatic
chain
____________ groups are atoms, groups of atoms or bond that determine the characteristic of an organic compound.
Aliphatic
Aromatic
Functional
Hydrocarbon
How many carbon atoms are in propane?
1
2
3
4
__________ series is a series of compounds with same functional group differing from the successive member by CH2.
Heterologous
Homologous
Hydrocarbon
Group
In organic chemistry, molecular and ____________ formulas were used to express what a particular molecule consists of.
structural
organic
chemical
physical
__________ structural formula are written without showing all the individual bonds. In a condensed structure, each central atom is shown together with the atoms that are bonded to it
Molecular
Condensed
Expanded
Skeletal
In order to show how the atoms are connected, structural formulas such as __________ , __________ and _________ structures are used.
expanded, condensed, skeletal
expanded, condensed, molecular
hydrocarbon, expanded, skeletal
molecular, condensed, skeletal
Two main types of isomers are the __________ (structural) isomers and ____________.
stereoisomers, optical
constitutional, optical
constitutional, stereoisomers
enantiomers, stereoisomers
Isomers are molecules that have the _________molecular formula (contain the same number of atoms) but ______ structurally (having different arrangement of the atoms in space).
differ, differ
same, differ
same, same
differ, same
Three types of constitutional isomers are _______ isomers, _________ isomers and ___________ isomers.
chain, position, functional group
chain, optical, functional group
stereoisomers, position, functional group
chain, position, enantiomers
For alkanes, only ________ isomers is possible.
functional group
chain
position
optical
Compounds with different functional group but similar molecular formula can have _____________ group isomers.
chain
position
functional
optical
_____________ isomers occur when the types, number and bonds (connectivity) of the atoms are the same, but have a restricted rotation somewhere in a molecule. The common example is the double bond.
Optical
Chain
Geometric
Position
Only _________ molecules have optical isomers.
achiral
chiral
hybrid
hydrocarbon
The carbon atom with the four different groups attached which causes the lack of symmetry is described as a _________ centre.
chiral
achiral
carbon
atom
Two ______________ are non-superimposable mirror image of one another (chiral).
enantiomer
isomer
non-enantiomer
geometric
Carbon atoms can be classified by the _____________ of other carbon atoms that are directly attached to it.
number
type
structure
isomer
Tertiary hydrogen connected to __________ carbon.
tertiary
primary
secondary
quarternary
There is no ___________ hydrogen due to limited bonding of carbon atom to just four.
primary
secondary
quaternary
tertiary
