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Which one of the following statements is correct ?
- a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]
- b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution
- c)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2
- d)Manganese salts give a violet borax bead test in the reducing flame
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Which one of the following statements is correct ?a)From a mixed preci...
Between AgCl and AgI, AgI is less soluble, hence ammonia can dissolve ppt. of AgCl only due to formation of complex as given below: AgCl + 2NH3 → [Ag (NH3)2]Cl
Most Upvoted Answer
Which one of the following statements is correct ?a)From a mixed preci...
Explanation:
The correct statement among the given options is option 'A': From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl.
Reasoning:
When ammonia solution is added to a mixed precipitate of AgCl and AgI, only AgCl dissolves. This is due to the difference in solubility of AgCl and AgI in ammonia solution.
AgCl:
- AgCl is soluble in ammonia solution. When ammonia solution is added to AgCl, the following reaction occurs:
AgCl + 2NH3 → [Ag(NH3)2]+ + Cl−
AgI:
- AgI is insoluble in ammonia solution. Therefore, when ammonia solution is added to AgI, it does not dissolve and remains as a precipitate.
Explanation of other options:
b) Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution:
- This statement is incorrect. Ferric ions react with potassium ferrocyanide solution to form a deep blue precipitate, not a green precipitate. The reaction is as follows:
Fe3+ + 3[Fe(CN)6]4- → Fe3[Fe(CN)6]2
c) On boiling a solution having K+, Ca2+, and HCO3- ions, we get a precipitate of K2Ca(CO3)2:
- This statement is incorrect. On boiling a solution containing K+, Ca2+, and HCO3- ions, carbon dioxide gas (CO2) is released, but no precipitate of K2Ca(CO3)2 is formed.
d) Manganese salts give a violet borax bead test in the reducing flame:
- This statement is incorrect. Manganese salts give a green color to the borax bead test in the reducing flame, not a violet color. The green color is due to the formation of manganous borate (Mn(BO2)2).
The correct statement among the given options is option 'A': From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl.
Reasoning:
When ammonia solution is added to a mixed precipitate of AgCl and AgI, only AgCl dissolves. This is due to the difference in solubility of AgCl and AgI in ammonia solution.
AgCl:
- AgCl is soluble in ammonia solution. When ammonia solution is added to AgCl, the following reaction occurs:
AgCl + 2NH3 → [Ag(NH3)2]+ + Cl−
AgI:
- AgI is insoluble in ammonia solution. Therefore, when ammonia solution is added to AgI, it does not dissolve and remains as a precipitate.
Explanation of other options:
b) Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution:
- This statement is incorrect. Ferric ions react with potassium ferrocyanide solution to form a deep blue precipitate, not a green precipitate. The reaction is as follows:
Fe3+ + 3[Fe(CN)6]4- → Fe3[Fe(CN)6]2
c) On boiling a solution having K+, Ca2+, and HCO3- ions, we get a precipitate of K2Ca(CO3)2:
- This statement is incorrect. On boiling a solution containing K+, Ca2+, and HCO3- ions, carbon dioxide gas (CO2) is released, but no precipitate of K2Ca(CO3)2 is formed.
d) Manganese salts give a violet borax bead test in the reducing flame:
- This statement is incorrect. Manganese salts give a green color to the borax bead test in the reducing flame, not a violet color. The green color is due to the formation of manganous borate (Mn(BO2)2).
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Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer?
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Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer?.
Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Which one of the following statements is correct ?a)From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl [2003]b)Ferric ions give a deep green precipitate on adding potassium ferrocyanide solutionc)On boiling a solution having K+, Ca2+ and HCO3- ions we get a precipitate of K2Ca(CO3)2d)Manganese salts give a violet borax bead test in the reducing flameCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE.
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