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CHEM LAB > LAB MOD 8 > Flashcards

LAB MOD 8 Flashcards

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1
Q

properties of carboxylic acids

A 
exhibit intermolecular hydrogen bonding
- high BP and MP
colorless with disagreeable odor
HIGH MW: wax like solids
readily hydrogen bond with water
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2
Q

esters give what in flowers and fruits?

A

Pleasant fragrances and flavors

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3
Q

Physical properties of esters

A 
pleasant odors
no hydrogen bonddds
 Boiling point: much lower than alcohols and COOH, same as ketones
.low melecular masss: water soluble
3-5 carbons for solubility
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4
Q

ssolubility of benzoic acid in water and alcohol

A

water- insoluble

alcohol-soluble

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5
Q

solubility of ethyl acetate in water and alcohol

A

water- immiscible

alcohol- miscible

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6
Q

ssolubility of caarboxylic acids

A

1-5 C are soluble in water

higher carboxylic acids are less soluble

longer chain acids are soluble in less polar (ethers and alcohol)

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7
Q

solubility of esters

A

Low MW soluble in water
Solubility decrease when C chain increase
Borderline solubility (3-5 C atoms)

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8
Q

Ionization of 6M HCl

A

Bright light

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9
Q

Ionization of 6M Acetic Acid

A

Dim light

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10
Q

carboxylic acids are weak acids that ionize completely or slightly in water?

A

Slightly

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11
Q

all carboxylic acids react with what compound to form carboxylate salts?

A

Strong bases

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12
Q

reaction of carboxylic acid and alcohol

A

Esterification

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13
Q

reverse esterification; ester and water reaction through a strong catalyst

A

Ester hydrolysis

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14
Q

is the hydrolysis of an organic comound under basic conditions in which a carboxylate salts is one of the product

A

Saponification

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15
Q

is commonly used to refer to the reaction of a base with a fat or oil to form soap

A

Saponification

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16
Q

what is the process the allows the soap to clean clothes?

A

Dualism

17
Q

is produced when a carboxylic acid loses one or more acidic H atoms

A

carboxylate ion

18
Q

is a type of ketone, and it is the same fruity-smelling substance used in nail polish remover. If the breath of a person with diabetes smells of acetone, this suggests that there are high levels of ketones in their blood. As the ketones build up, they increase the acidity of the blood. This can be toxic.

A

Acetone

CHEM LAB (8 decks)

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