7 Questions
What color precipitate is formed when ferrous sulphate reacts with sodium hydroxide?
Dirty green
Which chemical reaction results in the formation of a gelatinous white precipitate?
ZnSo4 + 2NaOH → Na2SO4 + Zn(OH)2↓
Which chemical reaction represents the formation of a pale blue precipitate?
CuSO4 + 2NaOH → Na2SO4 + Cu(OH)2↓
What is the chemical formula for the reddish brown precipitate formed when ferric chloride reacts with sodium hydroxide?
Fe(OH)3
Which combination of chemicals does not result in the formation of a precipitate?
Ferric chloride + sodium hydroxide
What is the purpose of adding sodium hydroxide solution to the various chemicals in the precipitation reactions?
To form a precipitate
Which chemical reaction does not correspond to the correct formation of a precipitate?
$FeSO4 + 2NaOH → Na2SO4 + Fe(OH)2$
Learn about precipitation reactions through this experiment involving ferrous sulphate, ferric chloride, zinc sulphate, copper sulphate, lead sulphate, and sodium sulphate. Follow the procedure to observe the formation of precipitates and understand the chemical reactions involved.
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