Organic Chemistry quiz (Singapore O-Level Chemistry, SEAB 6092) quiz

$\text{C}_n\text{H}_{2n}$

$\text{C}_n\text{H}_n$

$\text{C}_n\text{H}_{2n+2}$

$\text{C}_n\text{H}_{2n-2}$

It contains oxygen atoms

It contains a carbon-carbon double bond

It is dissolved in water

It contains only single carbon-carbon bonds

Carbon dioxide and water

Carbon monoxide and water

Carbon and hydrogen

Carbon dioxide and hydrogen

Carbon dioxide

Carbon monoxide

Oxygen

Nitrogen

Alkenes are saturated

Alkanes have a double bond

Alkenes have a carbon-carbon double bond that can open up and add atoms

Alkanes are more reactive than alkenes

The bromine water stays orange-brown

The mixture turns blue

A precipitate forms

The bromine water is rapidly decolourised

Many small unsaturated molecules joining end to end to form a long-chain polymer

Breaking a polymer into monomers

Burning a polymer in oxygen

Dissolving a polymer in water

Ethanol

Poly(ethene)

Ethanoic acid

Ethane

Combustion and neutralisation

Electrolysis and filtration

Fermentation of sugars and addition of steam to ethene

Esterification and oxidation

It forms ethane and the dichromate stays orange

Nothing happens

It forms an ester and the dichromate turns purple

It forms ethanoic acid and the dichromate turns from orange to green

An ester and water

A salt and hydrogen

An alkene

A polymer

It releases hydroxide ions in water

It releases hydrogen ions in water

It contains a carbon-carbon double bond

It is a hydrocarbon