JEE Advanced 2025 Paper 2 Online

MCQ (Single Correct Answer)

-1

The complete hydrolysis of ICl, ClF₃ and BrF₅, respectively, gives :

IO^-, ClO₂^- and BrO₃^-

IO₃^-, ClO₂^- and BrO₃^-

IO^-, ClO^- and BrO₂^-

IO₃^-, ClO₄^- and BrO₂^-

JEE Advanced 2025 Paper 1 Online

MCQ (Single Correct Answer)

-1

The heating of NH₄NO₂ at 60–70 °C and NH₄NO₃ at 200–250 °C is associated with the formation of nitrogen containing compounds X and Y, respectively. X and Y, respectively, are

N₂ and N₂O

NH₃ and NO₂

NO and N₂O

N₂ and NH₃

JEE Advanced 2024 Paper 2 Online

MCQ (Single Correct Answer)

-1

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

$\left[\mathrm{PF}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$and $\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$

$\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PCl}_4 \mathrm{~F}_2\right]^{-}$and $\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$

$\mathrm{PF}_3$ and $\mathrm{PCl}_3$

$\mathrm{PF}_5$ and $\mathrm{PCl}_3$

JEE Advanced 2024 Paper 1 Online

MCQ (Single Correct Answer)

-1

At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid $\left(\mathrm{HNO}_2\right)$ gives the species

$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3^{-}$and $\mathrm{NO}$

$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{NO}_2$

$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}^{-}$and $\mathrm{NO}_2$

$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{N}_2 \mathrm{O}$

JEE Advanced Subjects