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D and F Block Elements question

2022 · 29 Jul · Shift 1 · Q4
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  5. /2022 · 29 Jul · Shift 1 · Q4

D and F Block Elements question

2022 · 29 Jul · Shift 1 · Q4

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives :
  1. A
    Zn(OH)2\mathrm{Zn}(\mathrm{OH})_{2}Zn(OH)2​
  2. B
    ZnO\mathrm{ZnO}ZnO
  3. C
    [Zn(OH)4]2−\left[\mathrm{Zn}(\mathrm{OH})_{4}\right]^{2-}[Zn(OH)4​]2−
  4. D
    [ZnO2]2−\left[\mathrm{ZnO}_{2}\right]^{2-}[ZnO2​]2−
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