Principles of Qualitative Analysis

JEE Advanced · Chemistry · 31 past questions

19 of 31 · show all

1. Q1 2025 Paper 1

   The correct match of the group reagents in List-I for precipitating the metal ion given in List-II from…

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2. Q2 2023 Paper 1

   In the scheme given below, X and Y, respectively, are (with a figure)

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3. Q3 2022 Paper 1

   The treatment of an aqueous solution of 3.74 g of $\mathrm{Cu(NO_3)_2}$ with excess KI results in a brown…

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4. Q4 2022 Paper 1

   Match the compounds in LIST-I with the observations in LIST-II, and choose the correct option.

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5. Q8 2020 Paper 1

   A colorless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous…

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6. Q10 2018 Paper 2

   The correct option(s) to distinguish nitrate salts of $\mathrm{Mn^{2+}}$ and $\mathrm{Cu^{2+}}$ taken…

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7. Q11 2016 Paper 1

   The reagent(s) that can selectively precipitate $\mathrm{S^{2-}}$ from a mixture of $\mathrm{S^{2-}}$ and…

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8. Q12 2016 Paper 2

   In the following reaction sequence in aqueous solution, the species X, Y and Z, respectively, are (with a figure)

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9. Q13 2015 Paper 2

   The pair(s) of ions where BOTH the ions are precipitated upon passing H$_2$S gas in presence of dilute HCl…

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10. Q14 2014 Paper 1

    Among PbS, CuS, HgS, MnS, $\mathrm{Ag_2S}$, NiS, CoS, $\mathrm{Bi_2S_3}$ and $\mathrm{SnS_2}$, the total…

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11. Q16 2014 Paper 2

    Paragraph For Question 33 and 34… (with a figure)

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12. Q18 2013 Paper 2

    Paragraph for Questions 33 and 34…

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13. Q19 2013 Paper 2

    Paragraph for Questions 33 and 34…

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14. Q21 2011 Paper 1

    Paragraph for Question Nos. 12 to 14…

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15. Q22 2011 Paper 1

    Paragraph for Question Nos. 12 to 14…

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16. Q23 2011 Paper 1

    Paragraph for Question Nos. 12 to 14…

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17. Q27 2009 Paper 1

    Paragraph for Question Nos. 13 to 15…

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18. Q28 2008 Paper 1

    A solution of colourless salt $\mathbf{H}$ on boiling with excess NaOH produces a non-flammable gas. The gas…

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19. Q29 2007 Paper 2

    A solution of a metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give a…

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