Brainscape's Knowledge GenomeTM

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


See full index

a level chemistry > colours and products of Fe2+ (aq) and Fe3+ (aq) ions reactions > Flashcards

colours and products of Fe2+ (aq) and Fe3+ (aq) ions reactions Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

what product is formed and what colour is the product when…

[Fe (H2O)6] 2+ is reacted with NaOH

A

Fe (H20)4 (OH)2 (s)

green solution —> green ppt —> turns brown when standing in air

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

what is the colour of [Fe (H2O)6] 2+

A

green solution

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

what product is formed and what colour is the product when…

[Fe (H2O)6] 2+ is reacted with excess NaOH

A

Fe (H20)4 (OH)2 (s)

green solution —> green ppt —> turns brown when standing in air

NO FURTHER CHANGE

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

what product is formed and what colour is the product when…

[Fe (H2O)6] 2+ is reacted with NH3

A

Fe (H2O)4 (OH)2 (s)

green solution —> green ppt —> turns brown when standing in air

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

what product is formed and what colour is the product when…

[Fe (H2O)6] 2+ is reacted with excess NH3

A

Fe (H2O)4 (OH)2 (s)

green solution —> green ppt —> turns brown when standing in air

NO FURTHER CHANGE

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

what product is formed and what colour is the product when…

[Fe (H2O)6] 2+ is reacted with Na2CO3 (aq)

A

FeCO3 (s)

green solution —> green ppt

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

what is the colour of [Fe (H2O)6] 3+

A

purple solution

(may look yellow- brown ppt due to some
[Fe (H2O)5 (OH)]2+ (aq)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what product is formed and what colour is the product when…

[Fe (H2O)6] 3+ is reacted with NaOH

A

Fe (H2O)3 (OH)3 (s)

purple solution —> brown ppt
(ppt may look orange- brown)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what product is formed and what colour is the product when…

[Fe (H2O)6] 3+ is reacted with excess NaOH

A

Fe (H2O)3 (OH)3 (s)

purple solution —> brown ppt
(ppt may look orange- brown)

NO FURTHER CHANGE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what product is formed and what colour is the product when…

[Fe (H2O)6] 3+ is reacted with NH3

A

Fe (H2O)3 (OH)3 (s)

purple solution —> brown ppt
(ppt may look orange- brown)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what product is formed and what colour is the product when…

[Fe (H2O)6] 3+ is reacted with excess NH3

A

Fe (H2O)3 (OH)3 (s)

purple solution —> brown ppt
(ppt may look orange- brown)

NO FURTHER CHANGE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what product is formed and what colour is the product when…

[Fe (H2O)6] 3+ is reacted with Na2CO3 (aq)

A

Fe (H2O)3 (OH)3 (s)

purple solution —> brown ppt
(ppt may look orange- brown)

and CO2 gas evolved so effervescence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

-what is the product [Fe (H2O)6] 2+ formed when is oxidised

  • what is the oxidising agent
A

[Fe (H2O)6] 3+

oxidising agent is KMnO4 or H2O2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

-what is the product [Fe (H2O)6] 3+ formed when is reduced

  • what is the reducing agent
A

[Fe (H2O)6] 2+

reducing agent is Zinc (Zn)

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

a level chemistry (49 decks)

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