Statement-I: In the reaction of Fe2+aq. with Cr2O72-aq. the O.N. of Cr changes from +7 to +3. Statement-II: The reaction of Fe2+aq. with Cr2O72-aq. is a redox reaction.

Statement-I: In the reaction of Fe2+aq. with Cr2O72-aq. the O.N. of Cr changes from +7 to +3. 

Statement-II: The reaction of Fe2+aq. with Cr2O72-aq. is a redox reaction.

  1. A

    Both Statement-I and Statement-II are correct

  2. B

    Statement-I is correct and Statement-II is incorrect

  3. C

    Statement-I is incorrect and Statement-II is correct

  4. D

    Both statement-I and Statement-II are incorrect

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    Solution:

    Cr2+6O7 gives Cr+3

    6Fe2+aq+Cr2O72-aq+14H+aq2Cr3+aq+7H2Ol+6Fe+3

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