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Which element shows the highest oxidation state among the d-block elements?

+8 oxidation state is shown by Os and Ru.

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The electronic configuration of an element is 3d⁵ 4s¹. Write its (i) most stable oxidation states and (ii) most oxidising oxidation state.

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The E° value of Zn²⁺/Zn and Mn²⁺/Mn are quite low. Why?

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Out of V and Mn which exhibits more oxidation states?

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Why are Cr²⁺ reducing and Mn³⁺ oxidising when both have d⁴ configurations?

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Write the highest oxidation state shown by element with atomic number 23.

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The electronic configuration of an element is 3d⁵ 4s¹. Write its (i) most stable oxidation state and (ii) most oxidising state.

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What is the reason of transition elements to exhibit variable oxidation states?

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What is the most stable oxidation state of Mn (Z = 25)?

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What is the highest oxidation state shown by Cr (Z = 24)?

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