ICSE Class 10 Chemistry 2023 Solved Paper
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Identify the cation in each of the following cases:
SECTION - II
Identify the cation in each of the following cases:
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Question : 33
Total: 88
Ammonium hydroxide solution when added to Solution B gives a white precipitate which does not dissolve in excess of ammonium hydroxide solution.
Solution:
When ammonium hydroxide is added to solution (B) - Lead nitrate, a white ppt. is formed, which is insoluble in excess of NH 4 OH
Pb ( NO 3 ) 2 ( a q ) + 2 NH 4 OH ( a q ) →
+ 2 NH 4 NO 3 ( a q )
The cation isPb 2 +
The cation is
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