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Chapter 7

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

alkene = olefins meaning?

Back (Answer)

oil forming gas

#2
Front (Question)

what is the functional group of an alkene?

Back (Answer)

the carbon carbon double bond

#3
Front (Question)

What gives an alkene its reactivity?

Back (Answer)

the carbon carbon double bond

#4
Front (Question)

saturated

Back (Answer)

no carbon double bonds

#5
Front (Question)

unsaturated

Back (Answer)

carbon double bond, decreases the number of hydrogens in the molecule by 2

#6
Front (Question)

what are elements of unsaturation

Back (Answer)

pi bonds and rings

#7
Front (Question)

Degree of Unsaturation / Index of Hydrogen deficiency equation

Back (Answer)

2C+2+N-H-X / 2

#8
Front (Question)

how much is a double bond and ring in a DoU?

Back (Answer)

• double bond = 1 • ring = 1

#9
Front (Question)

when naming alkenes, how should you number the chain?

Back (Answer)

so that the double bond has the lowest possible number, then signify where the double bond is (ex: either 2-pentene or pent-2-ene)

#10
Front (Question)

in a ring, where is the double bond assumed to be by its naming?

Back (Answer)

between the first and second carbon

#11
Front (Question)

how do you name an alkene with multiple double bonds?

Back (Answer)

use di-, tri-, and tetra- before the ending of -ene

#12
Front (Question)

Z = cis or trans?

Back (Answer)

cis

#13
Front (Question)

E = cis or trans?

Back (Answer)

trans

#14
Front (Question)

when should you use cis/ trans?

Back (Answer)

simple, disubstituted alkenes

#15
Front (Question)

when should you use E/Z?

Back (Answer)

tetra and tri substituted alkenes

#16
Front (Question)

in cyclic compounds, is cis or trans more stable?

Back (Answer)

cis

#17
Front (Question)

how many carbons does a ring need to have in order for trans to be stable?

Back (Answer)

8 carbons

#18
Front (Question)

all cycloalkenes are assumed to be _________ unless otherwise specifically named _________

Back (Answer)

cis, trans

#19
Front (Question)

which has a greater dipole, cis or trans?

Back (Answer)

cis

#20
Front (Question)

which has a higher boiling point, cis or trans?

Back (Answer)

cis

#21
Front (Question)

define hydrogenation

Back (Answer)

an alkene transforming into an alkane

#22
Front (Question)

the _______ substituted the double bond, the lower its heat of hydrogenation

Back (Answer)

MORE because is is more stable

#23
Front (Question)

more substituted = more _____________

Back (Answer)

stable

#24
Front (Question)

what causes ring strain in cycloalkenes?

Back (Answer)

• small ring • trans double bond