Write the observations and balanced equations for the following reactions.
1.Sodium Hydroxide is added dropwise till in excess to a solutions of zinc sulphate.
2.Ammoium hydroxide is added first in small quantity and then in excess to the solution of copper sulphate.
Dear Abhilasha,
Please post one question at a time.
Answer to your first question is given below.
ZnSO4 + 2NaOH → Zn(OH)2 + Na2SO4 (White, (Colourless) gelatinous ppt.)
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Soluble Zn(OH)2 + 2NaOH(excess) → Na2ZnO2 + 2H2O (Colourless) |
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