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WorksheetsC7 Further organic chemistry - Triple
Total questions: 37
Worksheet time: 19mins
What is the product from the reaction of an alkene with hydrogen?
an alkane
an alcohol
a carboxylic acid
an ester
What conditions are necessary in the reaction of alkenes with hydrogen?
high temperature and a catalyst
low temperature and a catalyst
high temperature and high pressure
low temperature and high pressure
What is the product from the reaction of an alkene with a halogen?
An alkane with two halogen atoms where the double bond used to be
An alkene with two halogen atoms where the double bond used to be
An alcohol with two halogen atoms where the double bond used to be
An a carboxylic acid with two halogen atoms where the double bond used to be
What is the product from the reaction of an alkene with steam?
an alkane
an alkene
an alcohol
a carboxylic acid
What functional group do all alcohols have?
C=C
-OH
-COOH
-COO-
Name the alcohol with 4 carbons.
Methanol
Ethanol
Propanol
Butanol
What happens when an alcohol reacts with sodium?
It forms a sodium salt and releases hydrogen gas.
It forms a sodium carbonate
It forms and carbon dioxide and water
It releases hydrogen gas.
What are the products of a combustion reaction involving an alcohol and oxygen?
carbon dioxide and water
carbon monoxide and water
carbon dioxide, water, carbon monoxide and carbon particulates
carbon dioxide, water and hydrogen
Write a symbol equation for the reaction of ethanol with oxygen
CH₃CH₂OH + 5CO₂ → 2O₂ + 3H₂O
CH₃CH₂OH + 5O₂ → 2CO₂ + 3H₂O
CH₃CH₂OH + 5O₂ → 2CO₂
CH₃ + 5O₂ → 2O₂ + 3H₂
Do alcohols dissolve in water?
Yes
No
How do alcohols react with oxidizing agents?
They turn into alkanes
They turn into carboxylic acids
They turn into alcohols
They turn into esters
What are the main uses of alcohols?
Solvents, ethanol used as drinking alcohol and a biofuel
Fertilisers and explosives
Metal salts
Pharmaceuticals and medicines
What is the process that turns glucose (a natural sugar) into ethanol?
Fermentation
Neutralisation
Combustion
Respiration
What is required for natural fermentation?
Yeast
Bacteria
Protozoa
enzymes
What functional groups do all carboxylic acids have?
-OH
-COOH
-COO
C=C
Name a carboxylic acid with 3 carbons.
methanoic acid
ethanoic acid
propanoic acid
butanoic acid
Why are carboxylic acids weak acids?
All of their molecules ionise when in water
Not all their molecules ionise when in water
They have a low concentration of molecules
They have a high concentration of molecules
What is the product of a reaction between an alcohol and a carboxylic acid?
an alkane
an alkene
an alcohol
an ester
Which is the correct structure of ethyl ethanoate
Which is the correct structure of ethanol
Which is the correct structure of ethene
Which is the correct structure of ethanoic acid
What is polymerisation?
The process of using small molecules (monomers) to make long chain molecules (polymers)
A reaction between an acid and a base.
A high-temperature exothermic redox chemical reaction
A metabolic process by which an organism obtains energy
Which is a type of polymerisation?
addition
subtraction
multiplication
division
Which is a type of polymerisation?
condensation
evaporation
freezing
melting
What monomers are involved in addition polymerisation?
alkenes
alkanes
alcohols
carboxylic acids
What type of monomers are involved in condensation polymerisation?
Ones with functional groups
Ones with double bonds
What are the products of condensation polymerisation?
A polymer and a small molecule (usually water)
Monomers
A polymer only
Monomers and small moelcules (usually water)
What is an amino acid?
A biological molecule with two functional groups
A biological molecule with one functional groups
A biological molecule with a double bond
A biological molecule with a triple bond
Which functional groups do amino acids have?
NH₂ and -COOH
NH₂ and -OH
-COOH and OH
-OH and C=C
What do amino acids form during a condensation reaction?
Polypeptides
Proteins
Peptides
Glycine
What is formed from different amino acids combined in one chain?
Proteins
Polypeptides
Peptides
Glycine
What does DNA stand for?
Deoxyribonucleic acid
Dioxyribonucleic acid
Deoxyribo nitic acid
Dioxyribo nitric acid
What is DNA?
A large molecule containing genetic information
A small molecule containing genetic information
What is the structure of DNA?
Two polymer chains made from nucleotides in the form of a double helix
One polymer chains made from nucleotides
Three polymer chains made from nucleotides in the form of a triple helix
Single polymer chain
Which one is NOT a naturally occurring polymer?
DNA
starch
cellulose
glucose
What monomers are starch and cellulose made of?
Glucose
Glycine
amino acids
fatty acids
