Αλκένια https://www.youtube.com/watch?v=83Is-rouV-U

What is the functional group of alkenes?

• Carbon-carbon single bond

• Carbon-carbon triple bond

• Carbon-hydrogen bond

• Carbon-carbon double bond

What type of reaction do alkenes undergo due to the presence of a double bond?

• Substitution reaction

• Addition reaction

• Combustion reaction

• Oxidation reaction

Ποιο είναι το προϊόν που σχηματίζεται όταν προστίθεται περίσσεια αερίου υδρογόνου στo προπίνιο?

• Προπένιο

• Propyne

• Προπάνιο

• Propanol

Under what conditions does the reaction of an alkene with water occur?

• No specific conditions required

• Presence of a catalyst at low temperatures

• Presence of a catalyst at high temperatures

• Low temperatures

What is the product formed when ethene reacts with water?

• Ethanol

• Butanol

• Methanol

• Propanol

What is the main test used to distinguish alkenes from alkanes?

• Decolorization of iodine solution

• Decolorization of bromine water

• Formation of a gas with sodium metal

• Formation of a precipitate with silver nitrate

What is the product formed when ethene reacts with bromine?

• Bromopropane

• Ethyl bromide

• Bromoethene

• Dibromoethane

What happens to the color of bromine water when added to an alkene?

• It turns blue

• It remains orange

• It turns green

• It turns orange

What is the product formed when propene reacts with bromine?

• 1-bromopropane

• Propyl bromide

• Bromoethane

• Dibromopropane

Under what conditions does the reaction of an alkene with hydrogen occur?

• No specific conditions required

• Presence of a catalyst at low temperatures

• Presence of a catalyst at high temperatures

• High temperatures