33.Out of V and Mn which exhibits more oxidation states?
The electronic configuration of V is [Ar] 3d5 4s2. and for Mn is [Ar] 3d54s2 . Mn exhibits more number of oxidation state than V because of the greater number of electrons in its valence shell.
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34.
What is the most stable oxidation state of Mn (Z = 25)?
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35.Write the highest oxidation state shown by element with atomic number 23.
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36.
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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37.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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38.What is the highest oxidation state shown by Cr (Z = 24)?
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39.Why are Cr2+ reducing and Mn3+ oxidising when both have d4 configurations?
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40.The E° value of Zn2+/Zn and Mn2+/Mn are quite low. Why?