WorksheetsDehydration and oxidation of alcohols
Total questions: 13
Worksheet time: 7mins
What does dehydration mean in chemistry?
Being thirsty
Not having enough water
Addition of water
Elimination of water
What kinds of bonds/forces are present in a beaker of ethanol?
Covalent bonds
London forces
Hydrogen bonds
Ionic bonds
Metallic bonds
What kind of alcohol is shown in the image?
Primary
Secondary
Tertiary
What kind of alcohol is shown in the image?
Primary
Secondary
Tertiary
Acidified potassium dichromate (K2Cr2O7/H2SO4) is often used to oxidise alcohols. In this reaction there is a colour change from (a) to green.
Oxidation of secondary alcohols produces...
aldehydes
ketones
carboxylic acids
Dehydration is an example of what type of reaction?
Elimination
Substitution
Addition
Which one is a tertiary alcohol?
An alcohol can be __________________ to form a carboxylic acid
oxidised
reduced
polymerised
broken down
Which alcohol cannot be oxidized by a warm acidified solution of potassium dichromate(VI)?
2-methylpropan-1-ol
propan-1-ol
butan-2-ol
2-methylpropan-2-ol
What is the product from the oxidation of propan-2-ol?
propandiol
propanal
propanoic acid
propanone
What reagents and conditions are required for the elimination reaction converting propan-2-ol to Propene
H2O/H+
NaBH4
SOCl
H2SO4 (conc)
What is the difference between aldehyde and ketones?
position of C=O group
position of C atoms
the number of bonds carbon can form
the number of oxygen atoms
