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Organic Chemistry > Ir > Flashcards

Ir Flashcards

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1
Q

Two peaks between 3300 and 3400

A

Primary amine

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2
Q

What does the wave number depend on?

A

Bond strength and mass

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3
Q

What do smaller atoms do to wave numbers?

A

Make them higher

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4
Q

What does increasing the strength of a bond via pi bonds do?

A

Increases wavenumber

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5
Q

Ketone peak?

A

1720

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6
Q

Saturated Ester peak

A

1740

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7
Q

Unsaturated, conjugated ester

A

1710

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8
Q

Aldehyde

A

1730

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9
Q

What does increasing polarity do?

A

Intensify signal

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10
Q

Does h bonding narrow or broaden the OH peak?

A

Broaden

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11
Q

How many peaks do primary amines have?

A

2

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12
Q

How many peaks do secondary amines have?

A

1

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13
Q

Describe the peaks with an amide.

A

Carbonyl at 1820-1660
3400 medium signal

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14
Q

Describe the peaks with a carboxylic acid.

A

Carbonyl at 1820-1660
OH at 3400-2400 (broad signal)

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15
Q

Describe the peaks with an ester present.

A

Carbonyl at 1820-1660
C-O present at 1300-1000

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16
Q

Describe the peaks an anhydride

A

Two carbonyls - 1810 - 1760

17
Q

Describe the peaks of an aldehyde

A

Carbonyl at 1820 - 1660
2 C-H peaks at 2850 and 2750

18
Q

Describe the peaks of a ketone.

A

Just a carbonyl at 1820 - 1660

19
Q

Describe the peaks of an alcohol.

A

Broad peak 3400-3300

20
Q

Describe the peaks of an amine

A

Medium peaks near 3400

21
Q

Describe the peaks of an ether

A

No OH peak
Peak near 1300 -1000

22
Q

Describe the peaks of an alkene

A

Weak peak near 1650

23
Q

Describe the peaks of an alkyne with C-N? With C-C?

A

Medium/sharp peak at 2250 for C-N or 2150 for C-C

24
Q

Describe the peaks of a hydrocarbon, simple alkane.

A

Just peaks near 3000

25
Q

How many degrees of unsaturation does a double bond add?

A

1

26
Q

How many degrees of unsaturation does a triple bond add?

A

2

27
Q

How many degrees of unsaturation does a ring add?

A

1

28
Q

What is the formula to calculate degrees of unsaturation?

A

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

29
Q

Conjugated ketone?

A

1680

Organic Chemistry (6 decks)

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