Structure, Bonding & Reactivity (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the general formula for straight-chain and branched alkenes?
What is the general formula for straight-chain and branched alkenes?
Why are alkenes described as unsaturated hydrocarbons?
Why are alkenes described as unsaturated hydrocarbons?
They lack maximum hydrogen atoms
What two types of bond make up the double bond in alkenes?
What two types of bond make up the double bond in alkenes?
A sigma bond and a pi bond
How is the pi bond in alkenes formed?
How is the pi bond in alkenes formed?
Side-to-side overlap of p-orbitals
What is the bond angle around each carbon atom in the double bond?
What is the bond angle around each carbon atom in the double bond?
120°
What type of isomerism results from restricted rotation around the bond?
What type of isomerism results from restricted rotation around the bond?
Geometrical isomerism
Which bond in the double bond is weaker and more susceptible to reactions?
Which bond in the double bond is weaker and more susceptible to reactions?
The pi bond
What attracts electrophiles to alkenes during electrophilic addition reactions?
What attracts electrophiles to alkenes during electrophilic addition reactions?
High electron density of
What suffix is used for alkenes containing two double bonds?
What suffix is used for alkenes containing two double bonds?
diene
What geometry do atoms attached to the carbons of the double bond adopt?
What geometry do atoms attached to the carbons of the double bond adopt?
Trigonal planar