Question

5. Certain metals exhibit variable valencies which include valencies: 1+,2+, 3+& 4+
State the variable valency of the following metals - a] Copper b] Silver c] Mercury
d] Iron e] Tin f] Lead - [write each symbol with the variable valency]​

Answer 1

Answer:

a) Copper Cu¹+ and Cu²+

b) Silver Ag¹+ and Ag²+

c) Mercury Hg¹+ and Hg²+

d) Iron Fe²+ and Fe³+

e) Tin Sn²+ and Sn⁴+

f) Lead Pb²+ and Pb⁴+