The p-Block Elements

JEE Advanced · Chemistry · 62 past questions

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1. Q5 2025 Paper 2

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

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2. Q7 2024 Paper 2

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

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3. 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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4. 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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5. Q16 2021 Paper 2

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

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6. Q27 2017 Paper 2

   The order of the oxidation state of the phosphorus atom in H$_3$PO$_2$, H$_3$PO$_4$, H$_3$PO$_3$, and…

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7. Q30 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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8. Q38 2014 Paper 2

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

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9. 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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10. 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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11. Q48 2010 Paper 2

    The total number of diprotic acids among the following is…

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12. Q49 2009 Paper 1

    The reaction of P$_4$ with X leads selectively to P$_4$O$_6$. The X is

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13. Q58 2008 Paper 1

    Paragraph for Question Nos. 64 to 66…

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