JEE Advanced questions
3844 published questions with worked solutions.
- An experiment involving absorption of oxygen and its quantitative estimation would involve use of
- When water is allowed to freeze in the presence of Ar, Kr or Xe under pressure then
- The number of S − S bonds in sulphur trioxide trimer, (S3O9) is
- ClO2 is the anhydride of
- Alkali ozonides areNot in JEE Main or NEET syllabus
- Aqueous solutions of hydrogen sulphide and sulphur dioxide when mixed together yield
- Estimation of ozone can be made quantitatively by
- The correct statement(s) about O3 is (are)
- Base on the E° values gives ½F2 + e⁻ → F⁻ E° = 2.87 V ½Cl2 + e⁻ → Cl⁻ E° = 1.40 V ½Br2 + e⁻ → Br⁻ E° = 1.09 V ½I2 + e⁻ → I⁻ E° =...
- In the conversion of BrO3⁻ to BrO4⁻
- Select the correct statement(s) about the XeF4
- In the following reaction, XeF2 + BrO3⁻ + H2O → BrO4⁻ + Xe + 2HF
- In the conversion of Br⁻ to BrO2⁻
- Match the compounds (Column-I) with their structures (Column-II). Column-I: (A) P4 (B) S8 (C) AlCl3 (D) PCl5 Column-II: (p) Crown...
- All the compounds listed in Column-I react with water. Match the result of the respective reactions with the appropriate...
- Match the molecules/ions (Column-I) with their shapes (Column-II). Column-I: (A) ClF3 (B) [PCl4]+ (C) XeF4 (D) XeO3 Column-II:...
- Match the compounds (Column-I) with their structures (Column-II). Column-I: (A) XeF4 (B) XeF6 (C) XeO3 (D) XeO4 Column-II: (p)...
- Match the acids (Column-I) with the number of acid salts formed by them (Column-II). Column-I: (A) Hypophosphorous acid (B)...
- Electrons left in the valence shell when Xe is converted to XeF6 is _____.
- Bond order of He2²⁺ is _____.