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Question
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
Solution
Lead has variable valency 2 and 4
| \[\ce{Pb^{2+}}\] | \[\ce{Pb^{4+}}\] |
| Plumbous | Plumbic |
OR
| \[\ce{Pb[II]}\] | \[\ce{Pb[IV]}\] |
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