1.

Consider the following statements. (i) In 3d series, the middle element Mn has +2 to +7 oxidation states. (ii) The oxidation state of Ru and Os is +8. (iii) Scandium has six different oxidation states. Which of the above statements is/are not correct? (a) (i) and (ii)(b) (ii) only (c) (i) only (d) (iii) only

Answer»

(d)  (iii) only



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