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Chemistry Revision > Alkanes > Flashcards

Alkanes Flashcards

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1
Q

What is the acronym to remember the order of alkanes

A

Mice Eat Peanut Butter

Pentane like pentagon 5 carbons

Methane
Ethane
Propane
Butane
Pentane
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2
Q

What is the general formula for the alkane homologous series

A

CnH2n+2

It is saturated

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3
Q

What is a homologous series

A

A group of compounds that can all be represented by the same general formulae

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4
Q

Complete combustion lf alkanes

A

Plenty of oxygen harmless

Alkane + oxygen = carbon dioxide + water

Releases lots of energy

Clean blue flame

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5
Q

Incomplete combustion of alkanes

A

Not enough oxygen

Harmful

Alkane + oxygen = carbon + carbon monoxide + carbon dioxide + water

Less energy

Smoky yellow flame

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6
Q

Halogens and alkanes

A

Makes haloalkanes

Needs ultraviolet light

Hydrogen atom substituted by chlorine or bromine

Substitution reaction

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Chemistry Revision (20 decks)

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