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ORGANIC CHEM - ALKENES

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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (6)

#1
Front (Question)

What is the general formula of an alkene?

Back (Answer)

CnH2n

#2
Front (Question)

What is the functional group of an alkene?

Back (Answer)

C=C

#3
Front (Question)

Electrophilic addition with Br2: - reagent? - conditions? - what happens?

Back (Answer)

• reagent: Br2 • conditions: aq (bromine water) • what happens: C=C opens up and Br and Br added onto the 2 C atoms of the double bond

#4
Front (Question)

Electrophilic addition with HBr: - reagent? - conditions? - what happens?

Back (Answer)

• reagent: HBr • conditions: none • what happens: C=C opens up and H and Br added onto the 2 C atoms of the double bond

#5
Front (Question)

Electrophilic addition with H2SO4: - reagent? - conditions? - what happens?

Back (Answer)

• reagent: H2SO4 • conditions: concentrated H2SO4, cold (typically room temp) • what happens: C=C opens up and H and OSO2OH added onto the 2 C atoms of the double bond

#6
Front (Question)

Electrophilic addition with H2O: - reagent? - conditions? - what happens?

Back (Answer)

• reagent: H2O (with strong acid (eg: H2SO4/H3PO4)) • conditions: none • what happens: C=C opens up and H and OH added onto the 2 C atoms of the double bond