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Organic Chemistry 1 > Chapter 4 > Flashcards

Chapter 4 Flashcards

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1
Q

What is the pKa of a carboxylic acid functional group?

A

Around 4-5

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2
Q

What is the pKa of an amine functional group?

A

Around 9-11

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3
Q

What is the pKa of a phenol functional group?

A

Around 9-10

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4
Q

What is the pKa of an alcohol functional group?

A

Around 15-17

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5
Q

True or False: A lower pKa value indicates a stronger acid.

A

True

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6
Q

Which functional group has the lowest pKa value among carboxylic acid, amine, phenol, and alcohol?

A

Carboxylic acid

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7
Q

Which functional group has the highest pKa value among carboxylic acid, amine, phenol, and alcohol?

A

Alcohol

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8
Q

Fill in the blank: The pKa of a carboxylic acid is around ___.

A

4-5

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9
Q

Fill in the blank: The pKa of an amine is around ___.

A

9-11

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10
Q

Fill in the blank: The pKa of a phenol is around ___.

A

9-10

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11
Q

Fill in the blank: The pKa of an alcohol is around ___.

A

15-17

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12
Q

Which functional group is more acidic: carboxylic acid or alcohol?

A

Carboxylic acid

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13
Q

Which functional group is more basic: amine or alcohol?

A

Amine

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14
Q

What is the general trend in pKa values for functional groups from carboxylic acid to alcohol?

A

Decreases

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15
Q

Which functional group has a pKa value close to neutral pH?

A

Phenol

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16
Q

What is the relationship between pKa and the strength of an acid?

A

Inverse

17
Q

In general, do functional groups with lower pKa values tend to donate or accept protons more readily?

A

Donate

18
Q

What is the significance of knowing the pKa values of functional groups in organic chemistry?

A

Helps predict reactivity and behavior in chemical reactions

19
Q

What can the pKa value of a functional group indicate about its stability?

A

Higher stability at lower pKa values

20
Q

What is the pKa value of a neutral compound?

A

Around 7

21
Q

Which functional group has a pKa value closer to that of a neutral compound: phenol or amine?

A

Phenol

22
Q

What is the pKa of a thiol functional group?

A

Around 8-10

23
Q

Fill in the blank: The pKa of a thiol is around ___.

A

8-10

24
Q

Which functional group has a higher pKa value: thiol or carboxylic acid?

A

Thiol

Organic Chemistry 1 (1 decks)

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