Chemistry · 2022
JEE Main · 29 July 2022, Shift 1 · Q66
The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives:
The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives :
Official answer
(4)
$\displaystyle \left[\mathrm{ZnO}_2\right]^{2-}$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.