Eamcet Chemistry - 1 st Year : Unit 8.1 ( Red-Ox reactions ) - Red-Ox reactions Free Online Tests | Mock Tests | Preparation | Practice Tests

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Assertion : (A): The oxidation state of Iron in Fe₃O₄ is +3
Reason : (R): Fe always show +3 in all its compounds.

A. Both A and R are true, R is correct explanation of A.

B. Both A and R are true, R is not the correct explanation of A.

C. A is true but R is false

D. both A and R are false

E. None of the above

View Answer

Correct choice: D

Explanation:

None

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