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Organic Chemistry > Akenes and Alkynes > Flashcards

Akenes and Alkynes Flashcards

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1
Q

Is a hydrocarbon in which one or more carbon-carbon multiple bonds (double bonds, triple bonds, or both) are present.

A

Unsaturated Hydrocarbons

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2
Q

Why are unsaturated hydrocarbons more reactive than their saturated counterparts?

A

Related to the presences of carbon-carbon multiple bonds.

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3
Q

Kinds of saturated hydrocarbons?

A

Alkanes

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4
Q

Kinds of unsaturated hydrocarbons?

A

Alkenes and Alkynes

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5
Q

Alkene is an?

A

Acyclic Unsaturated Hydrocarbon

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6
Q

Older name for Alkene is?

A

Olefins

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7
Q

What does olenfins mean?

A

Oil Forming

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8
Q

Molecular formula of the simplest alkene?

A

CnH2n

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9
Q

What are the simplest alkenes?

A

Ethene and Propene

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10
Q

What is another name for cycloalkene?

A

Cyclic unsaturated hydrocarbon

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11
Q

General molecular formula of cycloalkanes?

A

CnH2n-2

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12
Q

What is the simplest cycloalkene?

A

Cyclopropene

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13
Q

Two double bond name?

A

Dienes

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14
Q

Three double bond name?

A

Trienes

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15
Q

It is a noncyclic hydrocarbon substituent?

A

Alkenyl Group

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16
Q

Most frequently encountered alkenyl group?

A

Methylidene
Ethenyl
2-propenyl

17
Q

common name of methylidene?

A

Methylene Group

18
Q

common name of Ethenyl?

A

Vinyl Group

19
Q

common name of 2-propenyl?

A

Allyl Group

20
Q

Used for the isomer in which the two similar or identical substituents are on the same side of the double bond?

A

Cis

21
Q

Used when two similar substituents are on the opposite sides of the double bond?

A

Trans

22
Q

Traditional way of naming the geometric isomers of an alkene?

A

cis-trans

23
Q

The more complete system for naming alkene isomers?

A

E-Z system

24
Q

What do you call the priority rules used in the E-Z system?

A

Cahn-Ingold-Prelog (CIP) Rules

25
Q

Used when the higher priority groups on each carbon are on the same side of the double bond?

A

Z-configuration

26
Q

What does Z stand for?

A

Zussammen meaning “together”

27
Q

Used when the higher priority groups on each carbon are on the opposite side of the double bond?

A

E-configuration

28
Q

What does E stand for?

A

Entgegen meaning “opposite”

29
Q

C2-C4

A

gas

30
Q

C5-C14

A

liquid

31
Q

C15-above

A

solid

32
Q

What are alkenes, polar or non-polar?

A

non polar, less dense than water, insoluble

33
Q

What is an alkyne?

A

unsaturated acyclic hydrocarbon

34
Q

Formula of the simplest member of alkyne?

A

C2H2

35
Q

The simplest alkyne?

A

Ethyne

36
Q
A

Organic Chemistry (5 decks)

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