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The correct order of following 3d metal oxides, according to their oxidation numbers is:
(a) CrO?
(b) Fe?O?
(c) MnO?
(d) V?O?
(e) Cu?O

Option 1 -

a) > (d) > (c) > (b) > (e)

Option 2 -

(c) > (a) > (d) > (e) > (b)

Option 3 -

(d) > (a) > (b) > (c) > (e)

Option 4 -

e) > (b) > (c) > (d) > (a)

0 4 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • R

    Answered by

    Raj Pandey | Contributor-Level 9

    2 months ago
    Correct Option - 4


    Detailed Solution:

    Oxidation states:
    CrO? (+6), Fe?O? (+3), MnO? (+4), V?O? (+5), Cu?O (+1)
    (a), (b), (c), (d), (e)
    Order of oxidation numbers:
    Cu?O < Fe?O? < MnO? < V?O? < CrO?. Hence correct order is; e < b < c < d < a

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