esters Flashcards

1
Q

what is the name of the functional group of an ester?

A

carboxylate group/ester link

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2
Q

what type of chemical reaction does an ester have?

A

hydrolysis

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3
Q

what type of intermolecular forces are present?

A

polar to polar/permanent dipole to permanent dipole

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4
Q

are they soluble or insoluble in water?

A

insoluble

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5
Q

why are esters used in food?

A

flavourings/smells

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6
Q

what type of reaction forms an ester?

A

condensation reaction

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7
Q

what are the two group that form an ester?

A

hydroxyl group and carboxyl group

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8
Q

what the most common type of smell produced by an ester?

A

fruity fragrances

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9
Q

the functional group of an ester is?

A

a carbon attached to a double bonded O and a single bonded O

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10
Q

what catalyst is used in an ester reaction?

A

concentrated sulphuric acid

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11
Q

when a carboxylic acid and alcohol react, what is the waste product?

A

water

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12
Q

what does the alcohols name ending change to when it turns into an ester?

A

from -anol to -yl

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13
Q

what does the carboxylic acids name ending change to when it turns into an ester?

A

from -oic to -oate

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14
Q

is making esters a reversible or irreversible reaction?

A

reversible

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15
Q

is breaking esters a reversible or irreversible reaction?

A

reversible

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16
Q

what property allows esters to be a high a concentration in the air?

A

evaporation

17
Q

are esters made up of polar or non-polar molecules?

A

non-polar