Quiz 2 Flashcards

1
Q

what is the primary use of butane

A

fuel for lighter

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2
Q

what are the products of combustion when a Bunsen burner is lit ?

A

CO and H20

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3
Q

in the presence of UV light , what type of reaction can cyclopropane undergo with chlorine and bromine

A

substitution reaction

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4
Q

what are the physical properties of alkanes

A

low boiling points and densities

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5
Q

what intermolecular forces need to be broken for an alkane to dissolve in water

A

Dispersion forces

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6
Q

what gas is mixed with methane in the atmosphere during the combustion process

A

oxygen

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7
Q

how are carbon atoms represented in skeletal structure

A

each end line

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8
Q

what is the product of incomplete combustion of alkanes

A

carbon and water vapor

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9
Q

what is the physical property of alkanes and cycloalkanes that decreases with branching

A

boiling point

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10
Q

why does cyclopropane undergo addition reactions in the absence of UV light

A

it suffers from ring strain

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11
Q

what type of bonds connect carbon and hydrogen atoms in cycloalkanes

A

sigma bonds

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12
Q

what is the the product of the combustion of alkanes

A

carbon dioxide (CO2) and water vapor

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13
Q

what is the molecular formula of cycloalkanes

A

C4H10

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14
Q

what type of flames does complete combustion produce

A

blue non-luminous flame

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15
Q

how are bicyclic cycloalkanes named

A

name based on the number of carbon atoms in the bridge

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16
Q

what is the major reaction that alkanes and cycloalkanes undergo

A

combustion

17
Q

what type pf strain determines a molecules stability

A

ring strain

18
Q

What are the primary forces of attraction between solvent molecules inmost organic solvent

A

Van der Waals dispersion forces