quiz 4 Flashcards

1
Q

Which one is the general structure of an alcohol?

A

R-OH

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2
Q

Which one is the general structure of an alkene?

A

R-CH=CH2

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3
Q

Dehydration reactions can be defined as the chemical reactions in which a water molecule is eliminated from the reactant molecule

A

True

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4
Q

Which one is phosphoric acid?

A

H3PO4

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5
Q

Which one is the general structure of an alkane?

A

R-CH2-CH3

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6
Q

The dehydration of alcohols is an example of __

A

Unimolecular elimination/E1 reaction

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7
Q

Which of the following alcohols would be most soluble in water?

A

Propanol (least amount of carbons)

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8
Q

The major reason that phenol is a better Bronsted acid than cyclohexanol is ______

A

phenol can stabilize the anion formed in the reaction by resonance

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9
Q

Menthol is easily dehydrated to give mainly 3-menthene.
Correct!

A

True

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10
Q

Cyclohexanol dehydration with phosphoric acid results in cyclohexene.

A

True

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11
Q

Dehydration reactions in organic molecules usually result in the formation of a carbon-carbon double bond.

A

True

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12
Q

Dehydration reaction results in the formation of a covalent bond. Therefore, it is a type of condensation reaction.

A

True

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13
Q

Dehydration is not related to redox reaction.

A

True

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14
Q

Dehydration is an endothermic reaction.

A

True

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15
Q

Alcohols dehydrate easily in the following order: tertiary > secondary > primary, due to the order of stability of carbocations produced.

A

True

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