The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives : (JEE…

Chemistry · JEE Main · NTA Exams — d- and f-Block Elements

1. Zn(OH)₂
2. ZnO
3. [Zn(OH)₄]^2–
4. [ZnO₂]^2–

Answer

(D) [ZnO 2 ] 2–

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