Functional Groups & Condensation & Hydrogen Bonding Flashcards

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1
Q

What is an alkane

A

Single bing free rotation

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2
Q

Whats an alkene

A

Double bond can form cis trans isomers

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3
Q

Whats an alkyne

A

Triple bond and highly reactive

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4
Q

What are leaving groups

A

Lewis bases displaced from carbon in substitution/ elimination reactions

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5
Q

What makes a good leaving group

A

Weak bases

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6
Q

How do you convert a poor leaving group to good

A

By converting into conjugate acids

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7
Q

What is a condensation reaction

A

Addition of alcohol + carboxylic acid to form an ester

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8
Q

What is a condensation reaction catalysed by

A

An acid to form a dipeptide synthesis

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9
Q

What is the first step of condensation

A

Protonation
Formation of OH

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10
Q

What is the second step of condensation

A

Addition
Forming a single c-o bond
Breaking c=o bond

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11
Q

What is formed after the second step of condensation

A

Tetrahedral intermediate #1

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12
Q

What is the third step of condensation

A

Deprotonation
Removal if H-O
By adding weak base such as solvent

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13
Q

What is the fourth step of condensation

A

Protonation
Forming O-H
OH then converted to better leaving grouo OH2

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14
Q

What is the fifth step of condensation

A

Elimination break C-O bond
Form C=O bond

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15
Q

What is formed after the fifth step of condensation

A

Tetrahedral Intermediate 2

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16
Q

What happens in the last step of condensation

A

Deprotonation
Break O-H by adding weak base

17
Q

Describe structure prefix and suffix of Carboxylic acid

A

COOH
Carboxyl
Oic acid

18
Q

Describe structure prefix and suffix of aldehyde

A

COH
Oxo
Al

19
Q

Describe structure prefix and suffix of Ketones

A

C=O
Oxo
One

20
Q

Describe structure prefix and suffix of Alcohol

A

OH
Hydroxy
Ol

21
Q

Describe structure prefix and suffix of amine

A

N
Amino
Amine

22
Q

Describe properties of hydrocarbons

A

Non polar
Weak bases

23
Q

How do you name chemicals

A

Identify and name parent chain
Identify name of side groups
Assign a number to each side chain
Put the name together alphabetically

24
Q

In substitution and elimination reactions, which direction is favoured

A

The direction in which leaving group is a weaker base than the nucleophile base

25
Q

What does it mean when orbitals are degenerate

A

Same energy levels

26
Q

R- nh2

A

Primary aliphatic amine

27
Q

R - NH - R

A

Secondary aliphatic amine

28
Q

R-N(R)2

A

Tertiary aliphatic amine