The p-Block Elements

JEE Advanced · Chemistry · 62 past questions

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1. Q3 2025 Paper 1

   The heating of NH$_4$NO$_2$ at 60–70 °C and NH$_4$NO$_3$ at 200–250 °C is associated with the formation of…

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2. Q6 2024 Paper 1

   At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid (HNO$_2$)…

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3. Q40 2013 Paper 1

   Concentrated nitric acid, upon long standing, turns yellow-brown due to the formation of

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4. Q45 2011 Paper 1

   Extra pure N$_2$ can be obtained by heating

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5. Q51 2009 Paper 2

   The nitrogen oxide(s) that contain(s) N-N bond(s) is(are)

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