QQuestionChemistry
QuestionChemistry
"Lead Ionic charge (include name given by the old way to name transition metals):
A. + 2 (Plumbous)
B. + 3 (Leadous)
C. + 4 (Plumbic)
D. + 5 (Argentic)"
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Answer
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Step 1:: Understand the problem
The problem asks us to identify the lead ion's charge and its old name. We are given four options. We need to recall the common oxidation states of lead and the corresponding old naming conventions.
Step 2:: Recall the oxidation states of lead
Lead commonly exhibits the following oxidation states: + 2, + 4. The + 3 and + 5 oxidation states are uncommon and not relevant to lead.
Step 3:: Identify the old naming conventions
In the old naming system, the suffixes -ous and -ic are used to denote lower and higher oxidation states, respectively. For lead, the -ous suffix corresponds to the lower oxidation state (+ 2), and the -ic suffix corresponds to the higher oxidation state (+ 4).
Step 4:: Match the oxidation states with their old names
+ 2 oxidation state: The old name is Plumbous. + 4 oxidation state: The old name is Plumbic.
Step 5:: Identify the correct answer from the given options
A. + 2 (Plumbous) - Correct B. + 3 (Leadous) - Incorrect, as + 3 is not a common oxidation state for lead C. + 4 (Plumbic) - Correct D. + 5 (Argentic) - Incorrect, as + 5 is not a common oxidation state for lead
Final Answer
The correct answer is A. + 2 (Plumbous) or C. + 4 (Plumbic), depending on the specific oxidation state of the lead ion.
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