Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

chemistry gcse > sc22 > Flashcards

sc22 Flashcards

You may prefer our related Brainscape-certified flashcards:
Chemistry 101 flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Religious Studies - Eduqas Route B flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Edexcel Route A flashcards GCSE Geography - AQA flashcards AP® Chemistry flashcards Periodic Table flashcards Organic Chemistry 101 flashcards
1
Q

What is the general formula for alkanes?

A

Cn H2n+2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Why are alkanes saturated?

A

They don’t contain C=C double bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the general formula for alkenes?

A

Cn H2n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Why are alkenes unsaturated hydrocarbons?

A
  • contain at least one C=C double bond
  • has hydrogen and carbon carbons only
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the test for alkanes/alkenes?

A
  • alkenes react with bromine water as it has a double bond turning it colourless
  • alkanes don’t react leaving it orange
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the reaction for the complete combustion of alkanes/alkenes?

A

Alkane/alkene + oxygen —> CO2 + H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What happens in addition reactions?

A

double bond in alkene breaks and the other molecule joins to its bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

chemistry gcse (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions