1.

Which element can have oxidation state from 4 to 6? (1) Fe (2) Mg (3) Co (4) Cr

Answer»

Correct option (4) Cr 

Explanation:

Fe oxidation state range + 2 to + 6 (but + 6 is less stable) 

Mg oxidation state + 2 

Co oxidation state range + 2 to + 4 

Cr oxidation state range + 1 to + 6 (but +6 is more stable)



Discussion

No Comment Found

Related InterviewSolutions