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Explain the term ‘Variable valency’ with example.

Asked by Topperlearning User 23rd January 2015, 2:58 PM
Answered by 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 Expert 23rd January 2015, 4:58 PM
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