Transition and InnerTransition Elements - Result Question 52

####53. The compound YBa2Cu3O7 which show super conductivity has copper in oxidation state …… assuming that the rare earth element Yttrium in its usual +3 oxidation state.

(1994, 1M)

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Answer:

Correct Answer: 53. x=+7/3

Solution:

  1. Y=+3,2Ba=2×2=4

7O=7×(2)=14 3+4+(14)+3x=0x=+73



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