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Which transition elements exhibit +8 oxi...

Which transition elements exhibit +8 oxidation state

A

Cu, Zn`

B

`Ru, Os`

C

`Ag, Au`.

D

`Cu, Cr`

Text Solution

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The correct Answer is:
To determine which transition elements exhibit a +8 oxidation state, we can follow these steps: ### Step 1: Identify the Transition Elements Transition elements are found in the d-block of the periodic table, specifically in groups 3 to 12. Some of the notable transition elements include: - Ruthenium (Ru) - Osmium (Os) - Iridium (Ir) - Copper (Cu) - Zinc (Zn) - Silver (Ag) - Gold (Au) - Chromium (Cr) ### Step 2: Analyze the Oxidation States The oxidation states of transition metals can vary widely, but certain elements can achieve higher oxidation states due to their electronic configurations. ### Step 3: Determine the +8 Oxidation State Among the transition metals, the following elements are known to exhibit a +8 oxidation state: - Ruthenium (Ru) - Osmium (Os) - Iridium (Ir) ### Step 4: Exclude Other Elements - Copper (Cu) typically exhibits oxidation states of +1 and +2. - Zinc (Zn) generally shows a +2 oxidation state. - Silver (Ag) and Gold (Au) usually exhibit +1 oxidation states. - Chromium (Cr) can reach a maximum oxidation state of +6. ### Conclusion The transition elements that exhibit a +8 oxidation state are: - Ruthenium (Ru) - Osmium (Os) - Iridium (Ir) ### Final Answer The correct answer is: **Ruthenium (Ru), Osmium (Os), and Iridium (Ir)**. ---
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