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Chemistry > Organic Chemistry reactions > Flashcards

Organic Chemistry reactions Flashcards

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1
Q

What is it called to add hydrogen atoms across a carbon-carbon double bond?

A

Hydrogenation

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1
Q

What catalyst is need to turn an alkene into an alkane in an addition reaction adding two hydrogens?

A

Nickel

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2
Q

How do alkenes combust?

A

Incompletely

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3
Q

What is the word equation for the combustion of alkenes? Use ethene as the alkene.

A

ethene + oxygen → carbon monoxide + water

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4
Q

How can you tell visually when an alkene is combusting?

A

It burns with a smoky flame.

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5
Q

What catalyst is needed for alkenes to react with steam?

A

Phosphoric acid.

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6
Q

What is the word equation for ethene reacting with steam?

A

ethene + steam → ethanol

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7
Q

How can you cause an alkene to react with bromine?

A

Shaking them

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8
Q

What is the colour change of reacting an alkene with water?

A

Orange-brown to colourless

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9
Q

What is the word equation for ethene reacting with bromine?

A

ethene + bromine → dibromoethene

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10
Q

Is the reaction between an alkene and bromine exothermic or endothermic?

A

exothermic

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11
Q

What is the functional group of alcohols called?

A

The hydroxyl group -OH

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12
Q

What are the two methods of making ethanoic acid from ethanol?

A

Using the oxygen in the air, using an oxidising agent

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13
Q

What is the ideal temperature for fermentation?

A

37 degrees celsius

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14
Q

What is the ideal pH of fermentation?

A

Slightly acidic

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15
Q

What condition is need for bromine or chlorine to react with an alkane?

A

UV light

16
Q

What conditions are need for the hydration of ethene to produce ethanol?

A

Phosphoric acid catalyst, 300 degrees C, 6-70 atm

17
Q

What is the functional group of carboxylic acids?

A

-COOH

18
Q

What’s the functional group of esters?

A

-COO

19
Q

What’s the chemical formula for ethylethanoate?

A

CH3COOC2H5

Chemistry (6 decks)

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