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In analysis of II^(nd) gp.A yellow ppt. ...

In analysis of `II^(nd)` gp.A yellow ppt. is obtained which is insoluble in `YAS`.the radical may be.

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To solve the problem of identifying the radical that produces a yellow precipitate which is insoluble in YAS (Yellow Ammonium Sulfide) in the analysis of the second group, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Group**: We are analyzing the second group of cations in qualitative analysis, which typically includes cations that form sulfides. 2. **Understand the Characteristics of the Precipitate**: The problem states that a yellow precipitate is formed, and it is insoluble in YAS. ...
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A certain compound (A) is used in the laboratory for analysis, its aqueous solution gives the following reactions: a. On addition to copper sulphate, a brown precipitate is obtained which turns white on addition of excess of the Na_(2)S_(2)O_(3) solution. b. On addition to the Ag^(o+) ion solution, a yellow curdy precipitate is obtained which is insoluble in ammonium hydroxide. Identify (A) and give equations for the reactions at steps (a) and (b).

A certain compound (A) is used in the laboratory for analysis, its aqueous solution gives the following reactions: a. On addition to copper sulphate, a brown precipitate is obtained which turns white on addition of excess of the Na_(2)S_(2)O_(3) solution. b. On addition to the Ag^(o+) ion solution, a yellow curdy precipitate is obtained which is insoluble in ammonium hydroxide. Identify (A) and give equations for the reactions at steps (a) and (b).

The aqueous solution of a certain compound (X), when added to a copper sulphate solution, a brown precipitate is obtained which tums white on addition of excess of Na_(2)S_(2)O_(3) solution. Its aqueous solution, when added to Ag^(+) ion solution, a yellow curdy precipitate is obtained which is insoluble in ammonium hydroxide. Hence, compound (X) is

In qualitative analysis of group I radicals, a white precipitate is formed which is insoluble in boiling water but when treated with NH_4 OH it turns black. The precipitate may be

Which set gives yellow ppt.?

A colourless solid A dissolves in water. The aqueous solution gives a white precipitate B when NaOH or NH_4 OH is added. B dissolves in excess of NaOH but not in excess of NH_4OH . BaCl2 solution added to a solution of A gives a white precipitate C which is insoluble in dilute HCI. A may be

Light green (compound 'A') overset(Delta)(to)"white Residue(B)"overset("high")underset("Temp.")C+D+E (i)'D' and 'E' are two acidic gas. (ii) 'D' is passed through HgCl_(2) solution to give yellow ppt. (iii) 'E' is passed through water first and then H_(2)S is passed, white turbidity is obtained. (iv) A is water soluble and addition of HgCl_(2) in it, yellow ppt. is obtained but white ppt does not turn into grey on addition of excess solution of 'A' Q. The no. of water crystallisation in 'A' is :

Light green (compound 'A') overset(Delta)(to)"white Residue(B)"overset("high")underset("Temp.")C+D+E (i)'D' and 'E' are two acidic gas. (ii) 'D' is passed through HgCl_(2) solution to give yellow ppt. (iii) 'E' is passed through water first and then H_(2)S is passed, white turbidity is obtained. (iv) A is water soluble and addition of HgCl_(2) in it, yellow ppt. is obtained but white ppt does not turn into grey on addition of excess solution of 'A' Q. Yellow ppt in the above observation is :

Light green (compound 'A') overset(Delta)(to)"white Residue(B)"overset("high")underset("Temp.")C+D+E (i)'D' and 'E' are two acidic gas. (ii) 'D' is passed through HgCl_(2) solution to give yellow ppt. (iii) 'E' is passed through water first and then H_(2)S is passed, white turbidity is obtained. (iv) A is water soluble and addition of HgCl_(2) in it, yellow ppt. is obtained but white ppt does not turn into grey on addition of excess solution of 'A' Q. 'D' and 'E' are respectively.

In the detection of P, yellow ppt obtained is due to formation of

RESONANCE ENGLISH-QUALITATIVE ANALYSIS PART 1-Board level exercis
  1. Which acidic radical of dil. H(2)SO(4) group gives brown ring test?

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  2. In acidic radical conc. H(2)SO(4) group which radical give's chromyl c...

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  3. X^(-)(aq)+AgNO(3)tounderset("white ppt")(AgXdarr) White ppt of AgX d...

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  4. X^(-)(aq)+AgNO(3)tounderset("bright yellow ppt")(AgXdarr) Bright yel...

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  5. Which of the acidic radical gives canary yellow ppt in ammonium molybd...

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  6. Salt + conc. H(2)SO(4)+ Ethyl alcohol overset(Delta) rarr Gas. Evolvin...

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  7. Basic radical which gives Nessler's reagent test in which brown precip...

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  8. In salt solution when H(2)S pass in presence of dil HCl, a orange colo...

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  9. In analysis of II^(nd) gp.A yellow ppt. is obtained which is insoluble...

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  10. What is the group reagent of III^(rd) gp of basic radicals

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  11. A white coloured carbonate which gives apple green color in the flame ...

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  12. Name the three chlorides which are insoluble in dilute HCl.name one ch...

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  13. Both NO(2) and Br(2) are brown gases. How can they be identified if pl...

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  14. Precipitation of second group sulphides in qualitative analysis is car...

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  15. When H(2)S gas is passed through ZnCl(2) solution.ZnS is not precipita...

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  16. HNO(3) or H(2)SO(4) are not used to prepare solution for analysis of b...

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  17. Dilute Hydrochloride acid contains Cl- ions but it does not give posit...

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  18. What happens when ? (a)Copper sulphate is treated with excess of NH(...

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  19. Identify the unknown species and complete the following (i)(A)+BaCl(...

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  20. Give examples and explain with equations: (a)Two colourless solution...

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