1
JEE Advanced 2025 Paper 2 Online
MCQ (Single Correct Answer)
+3
-1

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

A

IO-, ClO2- and BrO3-

B

IO3-, ClO2- and BrO3-

C

IO-, ClO- and BrO2-

D

IO3-, ClO4- and BrO2-

2
JEE Advanced 2025 Paper 1 Online
MCQ (Single Correct Answer)
+3
-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

A

N2 and N2O

B

NH3 and NO2

C

NO and N2O

D

N2 and NH3

3
JEE Advanced 2024 Paper 2 Online
MCQ (Single Correct Answer)
+3
-1

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

A
$\left[\mathrm{PF}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$and $\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$
B
$\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PCl}_4 \mathrm{~F}_2\right]^{-}$and $\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$
C
$\mathrm{PF}_3$ and $\mathrm{PCl}_3$
D
$\mathrm{PF}_5$ and $\mathrm{PCl}_3$
4
JEE Advanced 2024 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1

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

A
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3^{-}$and $\mathrm{NO}$
B
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{NO}_2$
C
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}^{-}$and $\mathrm{NO}_2$
D
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{N}_2 \mathrm{O}$
JEE Advanced Subjects