Chemistry
The salt solution which does not react with ammonium hydroxide is:
- Calcium nitrate
- Zinc nitrate
- Lead nitrate
- Copper nitrate
Analytical Chemistry
ICSE 2018
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Answer
Calcium Nitrate
Reason — No ppt. occurs even with addition of excess of ammonium hydroxide as the concentration of OH- ions from the ionization of of NH4OH is so low that it cannot precipitate the hydroxide of calcium.
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