ICSE Class 8 Answered
Explain the term ‘Variable valency’ with example.
Asked by Topperlearning User | 23 Jan, 2015, 02:58: PM
Expert Answer
Sometimes, same element may exhibit one valency in one compound and another valency in other compound. This property is called as variable valency.
Example
|
Element |
Symbol |
Valencies exhibited (variable valencies) |
|
|
Copper |
Cu |
1, 2 |
Cu+1, Cu+2 |
|
Silver |
Ag |
1, 2 |
Ag+1, Ag+2 |
|
Gold |
Au |
1, 3 |
Au+1, Au+3 |
|
Iron |
Fe |
2, 3 |
Fe+2, Fe+3 |
Answered by | 23 Jan, 2015, 04:58: PM
