The p-Block Elements

JEE Advanced · Chemistry · 62 past questions

34 of 62 · show all

1. Q2 2026 Paper 1

   Reaction of PtF$_6$ with oxygen (O$_2$) gas results in the formation of an ionic compound, X$^+$Y$^-$.…

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2. Q4 2025 Paper 2

   The complete hydrolysis of ICl, ClF$_3$ and BrF$_5$, respectively, gives

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3. Q5 2025 Paper 2

   The compound(s) with P–H bond(s) is(are)

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4. Q7 2024 Paper 2

   The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are

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5. Q9 2023 Paper 1

   The stoichiometric reaction of 516 g of dimethyldichlorosilane with water results in a tetrameric cyclic…

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6. Q10 2023 Paper 1

   Match the reactions (in the given stoichiometry of the reactants) in List-I with one of their products given…

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7. Q11 2022 Paper 1

   Dissolving 1.24 g of white phosphorous in boiling NaOH solution in an inert atmosphere gives a gas **Q**. The…

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8. Q13 2022 Paper 2

   The reaction of Xe and O$_2$F$_2$ gives a Xe compound **P**. The number of moles of HF produced by the…

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9. Q14 2022 Paper 2

   The reaction of $\mathrm{HClO_3}$ with HCl gives a paramagnetic gas, which upon reaction with $\mathrm{O_3}$…

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10. Q16 2021 Paper 2

    The correct statement(s) related to oxoacids of phosphorous is(are)

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11. Q17 2020 Paper 1

    With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).

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12. Q18 2020 Paper 2

    Choose the correct statement(s) among the following.

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13. Q19 2019 Paper 1

    A tin chloride Q undergoes the following reactions (not balanced)…

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14. Q20 2019 Paper 1

    At 143 K, the reaction of $XeF_4$ with $O_2F_2$ produces a xenon compound Y. The total number of lone pair(s)…

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15. Q21 2019 Paper 2

    The amount of water produced (in g) in the oxidation of 1 mole of rhombic sulphur by conc. HNO$_3$ to a…

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16. Q22 2018 Paper 1

    The compound(s) which generate(s) $N_2$ gas upon thermal decomposition below $300^\circ C$ is (are)

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17. Q23 2018 Paper 1

    Based on the compounds of group 15 elements, the correct statement(s) is (are)

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18. Q24 2017 Paper 1

    The correct statement(s) about the oxoacids, HClO$_4$ and HClO, is(are)

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19. Q26 2017 Paper 2

    Which of the following combination will produce H$_2$ gas?

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20. Q28 2017 Paper 2

    Among the following, the correct statement(s) is(are)

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21. Q29 2017 Paper 2

    The option(s) with only amphoteric oxides is(are)

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22. Q31 2017 Paper 2

    Upon heating $\mathrm{KClO_3}$ in the presence of catalytic amount of $\mathrm{MnO_2}$, a gas $\mathbf{W}$ is…

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23. Q32 2016 Paper 1

    The crystalline form of borax has

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24. Q33 2016 Paper 2

    The nitrogen containing compound produced in the reaction of $\mathrm{HNO_3}$ with $\mathrm{P_4O_{10}}$

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25. Q35 2015 Paper 2

    The correct statement(s) regarding,
    (i) HClO,
    (ii) HClO$_2$,
    (iii) HClO$_3$ and
    (iv) HClO$_4$, is(are)

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26. Q38 2014 Paper 2

    The product formed in the reaction of SOCl$_2$ with white phosphorous is

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27. Q42 2013 Paper 2

    The reactions of $Cl_2$ gas with cold-dilute and hot-concentrated $NaOH$ in water give sodium salts of two…

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28. Q46 2011 Paper 2

    Among the following, the number of compounds than can react with $PCl_5$ to give $POCl_3$ is…

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29. Q48 2010 Paper 2

    The total number of diprotic acids among the following is…

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30. Q50 2009 Paper 2

    In the reaction…

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31. Q52 2009 Paper 2

    Match each of the reactions given in Column I with the corresponding product(s) given in Column II.

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32. Q56 2008 Paper 1

    Paragraph for Question Nos. 64 to 66…

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33. Q57 2008 Paper 1

    Paragraph for Question Nos. 64 to 66…

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34. Q60 2007 Paper 1

    STATEMENT-1 : In water, orthoboric acid behaves as a weak monobasic acid.…

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