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The transition element which does not show variable oxidation state is

$ (A) Sc \quad (B) V \quad (C) Mn \quad (D) Cr$

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Answer: The transition element which does not show variable oxidation state is Sc.
Scandium is one of the two elements in the first transition metal period which has only one oxidation state (zinc is the other, with an oxidation state of +2).
Chromium has 3, Vanadium 4 and Manganese 5 common oxidation states.
answered Jan 29, 2014 by sreemathi.v
edited Aug 4, 2014 by balaji.thirumalai
 

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