JEE Chemistry - MCQ Practice Questions

Which of the following is the correct order of atomic radius?

The ionization energy of nitrogen is higher than oxygen because:

Which compound shows the highest ionic character?

The oxidation state of sulfur in H₂S₂O₃ is:

Which of the following elements forms the most stable hydride?

The solubility of alkaline earth metal hydroxides increases down the group with the exception of:

Which of the following oxides is amphoteric?

The correct order of lattice energies is:

Which of the following has the highest electronegativity value?

In the reaction 2KMnO₄ + 16HCl → 2KCl + 2MnCl₂ + 5Cl₂ + 8H₂O, the reducing agent is:

Which statement about nitrogen oxides is incorrect?

The thermal stability of Group 16 hydrides decreases in the order:

Which of the following transition metals can form stable complexes with CO?

The correct order of reducing power of Group 17 hydrides is:

Which compound shows maximum covalent character?

The pH of 10⁻⁸ M HCl solution is approximately:

Which of the following is not a property of noble gases?

In the extraction of copper from chalcopyrite (CuFeS₂), the role of silica (SiO₂) is:

Which of the following statements about borax (Na₂B₄O₅(OH)₄·8H₂O) is correct?

The structure of XeF₄ according to VSEPR theory is: