Structure, Bonding & Reactivity (AQA A-Level Chemistry): Flashcards
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General formula of alkenes
General formula of alkenes
Why alkenes are unsaturated
Why alkenes are unsaturated
Don't contain maximum number of H atoms
Two parts of double bond
Two parts of double bond
Sigma () bond and pi () bond
How sigma bond forms in
How sigma bond forms in
Overlap of two sp² hybrid orbitals
How pi bond forms in
How pi bond forms in
Side-to-side overlap of unhybridised p-orbitals
Bond angle around each C in
Bond angle around each C in
Approximately 120°
Why has restricted rotation
Why has restricted rotation
Due to presence of pi bond
Consequence of restricted rotation in alkenes
Consequence of restricted rotation in alkenes
Geometrical isomerism (cis/trans or E/Z)
Why pi bond is more reactive than sigma
Why pi bond is more reactive than sigma
Pi bond is weaker than sigma bond
Main type of reactions alkenes undergo
Main type of reactions alkenes undergo
Addition reactions (pi bond broken)