Introduction to Organic Chemistry Flashcards

1
Q

Give the functional group of an ester

A

-COO-

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2
Q

What is the name of the functional group NH2?

A

Amine

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3
Q

Define molecular formula

A

The actual no. of each atom per molecule of compound

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4
Q

What type of formula is ‘the simplest whole no. ratio of atoms in a substance?

A

Empirical formula

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5
Q

What is a homologous series?

A

A group of organic molecules with the same general formula and similar properties

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6
Q

How is a displayed formula different to a structural formula?

A
  • Structural = Carbon by Carbon
  • Displayed = Shows how all atoms are bonded
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7
Q

Give the structural formula of but-2-ene

A

CH3-CH=CH-CH3

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8
Q

Should the functional group always be on the highest carbon possible?

A

No, always the lowest carbon

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9
Q

What is the name for the side chain CH3?

A

Methyl

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10
Q

What is the main difference between alkanes and cycloalkanes?

A

Cycloalkanes contain 2 less Hydrogens

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11
Q

What is the formula for cyclopropane?

A

C4H8

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12
Q

Name 2 structural isomers of butene

A

2_methyl_propene
Cyclobutane

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13
Q

Name the 3 different types of isomerism

A
  • Chain
  • Position
  • Functional Group
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14
Q

Give some features of chain isomerism

A
  • Different carbon skeleton arrangement
  • Similar chemical properties but different physical properties
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15
Q

In chain isomerism, what does more branching cause?

A

Lower boiling points

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16
Q

State some features of position isomerism

A
  • Same carbon skeleton
  • Different position of functional group
  • Similar chemical properties but slightly different physical ones
17
Q

What is the difference between position isomerism and functional group isomerism?

A
  • Position isomerism involves the changing of the location of the functional group
17
Q

Give some features of functional group isomerism

A
  • Same carbon skeleton
  • Different functional group
  • Different chemical and physical properties
18
Q

Why does E/Z isomerism occur?

A

Restricted rotation of the C=C

19
Q

What are the 2 requirements for E/Z isomerism to occur?

A
  • 2 different groups either end of the C=C
  • Presence of C=C
20
Q

Explain how you would go about determining E/Z isomerism

A
  • Separate sides of C=C
  • Atom with highest atomic number either side gets priority
  • Position of priority atoms determines E/Z
21
Q

If two priority groups are across from each other (diagonal), is it an E or Z isomer?

A

E

22
Q

What is organic chemistry?

A

The chemistry of carbon-based compounds

23
Q
A