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An excess of sodium hydroxide solution is added to a solution of stannous chloride and the resulting solution is added a slightly acidic solution of bismuth nitrate... write down the reaction and comment?
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An excess of sodium hydroxide solution is added to a solution of stann...



Reaction and Explanation:

Excess of Sodium Hydroxide Solution Added:
- SnCl2 + 2NaOH → Sn(OH)2 + 2NaCl
When an excess of sodium hydroxide solution is added to stannous chloride solution, a white precipitate of stannous hydroxide is formed due to the reaction shown above. This is a double displacement reaction where sodium from NaOH replaces the Sn from SnCl2, forming the insoluble stannous hydroxide.

Adding Slightly Acidic Solution of Bismuth Nitrate:
- Sn(OH)2 + 2H+ → Sn2+ + 2H2O
- Bi(NO3)3 + 3H+ → Bi3+ + 3HNO3
When the resulting solution containing stannous hydroxide is added to a slightly acidic solution of bismuth nitrate, the stannous hydroxide reacts with the acidic solution to form stannous ions and water. At the same time, bismuth nitrate reacts with the acidic solution to form bismuth ions and nitric acid.

Precipitation Reaction:
- Sn2+ + 2Bi3+ → SnBi2
The stannous ions and bismuth ions then react to form a white precipitate of stannous bismuthide, SnBi2. This is a precipitation reaction where the two ions combine to form a solid compound that is insoluble in water.
Overall, the reactions result in the formation of a white precipitate of stannous bismuthide in the solution, indicating the successful completion of the chemical reactions.

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An excess of sodium hydroxide solution is added to a solution of stannous chloride and the resulting solution is added a slightly acidic solution of bismuth nitrate... write down the reaction and comment?
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