Brainscape's Knowledge GenomeTM

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


See full index

Carbonyl Compounds > Redox Reactions > Flashcards

Redox Reactions Flashcards

You may prefer our related Brainscape-certified flashcards:
Organic Chemistry 101 flashcards
1
Q

Reduction reaction
Conditions
Equations

A

LiAlH4 used in dry ether
RCHO + [H] —> ROH
RCOR + [H] —> ROHR
Ketones cannot be oxidised but aldehydes can

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

List the reagents that can oxidise aldehydes to carboxylic acids

A

Acidified potassium dichromate
Fehling’s solution
Benedict’s solution
Tollen’s reagent

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

Oxidation reaction equation of aldehydes

A

RCHO + [O] —> RCOOH

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

Acidified potassium dichromate
Colour change
Why

A

Orange solution —> green solution
Colour change is due to chromium +6 changing to +3

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

Fehling’s solution
Colour change

A

Deep blue solution —> red ppt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Benedict’s solution
Colour change
Why for Benedicts and Fehling’s

A

Deep blue solution —> red ppt
Conversion of copper (II) complex to copper (I) oxide

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

Tollen’s reagent
Colour change
Why

A

Colourless solution —> silver mirror
Conversion of silver (I) complex to metallic silver

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

Carbonyl Compounds (5 decks)

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