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In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3?
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In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common...
In qualitative analysis, we use specific reagents to identify and separate different ions present in a mixture. In the case of Pb^2+, Ag^+, Cu^2+, and Cd^2+, we need to determine the common ions that can be identified using various reagents. Let's analyze each option to find the correct answer:
a) HCl and H2S:
- HCl (hydrochloric acid) is commonly used to identify the chloride ion (Cl^-). It forms a white precipitate with Ag^+ ions (AgCl) and a yellow precipitate with Pb^2+ ions (PbCl2). However, it does not react with Cu^2+ or Cd^2+ ions.
- H2S (hydrogen sulfide) is commonly used to identify the sulfide ion (S^2-). It forms a black precipitate with Pb^2+ ions (PbS) and a brown precipitate with Cd^2+ ions (CdS). However, it does not react with Ag^+ or Cu^2+ ions.
- Therefore, HCl and H2S do not furnish the common ions for these four ions.
b) NH4OH and NH4Cl:
- NH4OH (ammonium hydroxide) is commonly used to identify the hydroxide ion (OH^-). It forms a light blue precipitate with Cu^2+ ions (Cu(OH)2) and a yellow precipitate with Cd^2+ ions (Cd(OH)2). However, it does not react with Pb^2+ or Ag^+ ions.
- NH4Cl (ammonium chloride) does not furnish any common ions for these four ions.
- Therefore, NH4OH and NH4Cl do not furnish the common ions for these four ions.
c) Na2SO4 and H2S:
- Na2SO4 (sodium sulfate) is commonly used to identify the sulfate ion (SO4^2-). It forms a white precipitate with Pb^2+ ions (PbSO4) and a yellow precipitate with Ag^+ ions (Ag2SO4). However, it does not react with Cu^2+ or Cd^2+ ions.
- H2S (hydrogen sulfide) is commonly used to identify the sulfide ion (S^2-). It forms a black precipitate with Pb^2+ ions (PbS) and a brown precipitate with Cd^2+ ions (CdS). However, it does not react with Ag^+ or Cu^2+ ions.
- Therefore, Na2SO4 and H2S furnish the common ions for these four ions.
d) NH4OH and (NH4)2CO3:
- NH4OH (ammonium hydroxide) is commonly used to identify the hydroxide ion (OH^-). It forms a light blue precipitate with Cu^2+ ions (Cu(OH)2) and a yellow precipitate with Cd^2+ ions (Cd(OH)2). However, it does not react with Pb^2+ or Ag^+ ions.
- (NH4)2CO3 (ammonium carbonate) does not furnish any common ions for these four ions.
- Therefore, NH4OH and (NH4)2CO3 do not furnish the common ions for these four ions
a) HCl and H2S:
- HCl (hydrochloric acid) is commonly used to identify the chloride ion (Cl^-). It forms a white precipitate with Ag^+ ions (AgCl) and a yellow precipitate with Pb^2+ ions (PbCl2). However, it does not react with Cu^2+ or Cd^2+ ions.
- H2S (hydrogen sulfide) is commonly used to identify the sulfide ion (S^2-). It forms a black precipitate with Pb^2+ ions (PbS) and a brown precipitate with Cd^2+ ions (CdS). However, it does not react with Ag^+ or Cu^2+ ions.
- Therefore, HCl and H2S do not furnish the common ions for these four ions.
b) NH4OH and NH4Cl:
- NH4OH (ammonium hydroxide) is commonly used to identify the hydroxide ion (OH^-). It forms a light blue precipitate with Cu^2+ ions (Cu(OH)2) and a yellow precipitate with Cd^2+ ions (Cd(OH)2). However, it does not react with Pb^2+ or Ag^+ ions.
- NH4Cl (ammonium chloride) does not furnish any common ions for these four ions.
- Therefore, NH4OH and NH4Cl do not furnish the common ions for these four ions.
c) Na2SO4 and H2S:
- Na2SO4 (sodium sulfate) is commonly used to identify the sulfate ion (SO4^2-). It forms a white precipitate with Pb^2+ ions (PbSO4) and a yellow precipitate with Ag^+ ions (Ag2SO4). However, it does not react with Cu^2+ or Cd^2+ ions.
- H2S (hydrogen sulfide) is commonly used to identify the sulfide ion (S^2-). It forms a black precipitate with Pb^2+ ions (PbS) and a brown precipitate with Cd^2+ ions (CdS). However, it does not react with Ag^+ or Cu^2+ ions.
- Therefore, Na2SO4 and H2S furnish the common ions for these four ions.
d) NH4OH and (NH4)2CO3:
- NH4OH (ammonium hydroxide) is commonly used to identify the hydroxide ion (OH^-). It forms a light blue precipitate with Cu^2+ ions (Cu(OH)2) and a yellow precipitate with Cd^2+ ions (Cd(OH)2). However, it does not react with Pb^2+ or Ag^+ ions.
- (NH4)2CO3 (ammonium carbonate) does not furnish any common ions for these four ions.
- Therefore, NH4OH and (NH4)2CO3 do not furnish the common ions for these four ions
Community Answer
In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common...
B) NH4OH And NH4Cl
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In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3?
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In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3?.
In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In qualitative analysis of Pb^ 2 , Ag^ , Cu^ 2 and Cd^ 2 , the common ions are furnished by.? a) HCl and H2S b) NH4OH and NH4Cl c) Na2SO4 and H2S d) NH4OH and (NH4)2CO3?.
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