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Hydrocarbons
Quiz 2
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Q.1
What is the suffix for double bond hydrocarbons ?
-ol
-ene
-ane
-one
Q.2
Hydrogenation conditions are...
Powdered nickel catalyst, heat, pressure of 5ATM
Powdered nickel catalyst, room temperature and pressure
Water as steam, high pressure, with a silica catalyst
Aqueous hydrogen bromide
Q.3
Electrophilic Addition involves...
The addition of a nucleophile to an alkane
The addition of a electrophile to an alkane
The addition of a electrophile to an alkene
The subtraction of a nucleophile to an alkene
Q.4
What would you make if you added Hydrogen to Ethene?
Ethane
Propane
1,2 - dihydroethane
Ethanol
Q.5
Propene + Steam would make?
Propan-1-ol
Propan-2-ol
Propan-1-ol and propan-3-ol
Propan-1-ol and propan-2-ol
Q.6
How many steps of mechanism for Free Radical Substitution Reaction of Alkane.
1
2
3
4
Q.7
Which of the following is correct about structural isomers?
They have different molecular formulas
They must have any double or triple bonds in the same position
They can be either positional or chain isomers
They must have the same length main chain
Q.8
Which of the following undergoes addition reactions
alkanes
alkanes and alkenes
alkanes and alkynes
alkenes
Q.9
As the number of carbons increases in an homologous series the melting point generally...
increase
decrease
stay the same
varies
Q.10
All alkanes are soluble in water
true
false
depends on the number of carbons and branching
depends of the temperature
Q.11
._____The alkyl group with the formula —CH2—CH3 is called
methyl.
ethyl.
propyl.
butyl.
Q.12
What is a cycloalkane?
a cyclic hydrocarbon
a cyclic hydrocarbon that contains only single bonds
a cyclic hydrocarbon with at least one alkyl group
a six-carbon alkane in the shape of a ring
Q.13
How many carbon atoms are in a molecule of pentane?
3
4
5
6
Q.14
Which of the following is an example of an organic compound?
methane
water
table salt
carbon dioxide
Q.15
._____When the longest straight-chain in a hydrocarbon contains seven carbons, its prefix is
pent-
hex-.
hept-.
oct-.
Q.16
_____Hydrocarbons that contain only single covalent bonds between carbon atoms are called
alkanes.
alkenes.
alkynes.
unsaturated.
Q.17
Which of the following elements do hydrocarbons contain?
carbon and oxygen only
carbon and hydrogen only
carbon, hydrogen, and oxygen
nitrogen, phosphorus, oxygen, sulfur, and the halogens
Q.18
What is it made of: Amino group
Hydrogen
Nitrogen
Oxygen
Both A & B
Q.19
What is it made of: Hydroxyl group
Hydrogen
Oxygen
Nitrogen
Both A & B
Q.20
What is it made of: Carboxyl group
Hydrogen
Carbon
Oxygen
All of above
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