Chemistry · p-Block Elements
Consider the following reactions: ZnSO4 + 2NaOH → A + Na2SO4 (Cold solution) A + 2NaOH (excess) → B AlCl3 + 3NH4OH → C + 3NH4Cl C + NaOH (excess) → D In the above reactions, A, B, C and D are respectively:
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- 1Zn(OH)2, Na2[Zn(OH)4], Al(OH)3 and Na[Al(OH)4]✓
- 2ZnO, Na2[ZnO2], Al2O3 and NaAlO2
- 3Zn(OH)2, Na[Zn(OH)3], Al(OH)3 and Na3[Al(OH)6]
- 4ZnO, Na2[Zn(OH)4], Al2O3 and Na[Al(OH)4]
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Zn(OH)2, Na2[Zn(OH)4], Al(OH)3 and Na[Al(OH)4]
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