JEE Chemistry - MCQ Practice Questions

Which halide of boron exists as a dimer in the gaseous state?

The hybridization of sulfur in SF₆ is:

Which compound shows the phenomenon of disproportionation?

The magnetic moment of [Fe(CN)₆]⁴⁻ is approximately:

In the extraction of copper using electrorefining, what is the anode material?

Which of the following is a non-stoichiometric compound?

Which statement about borax is correct?

The reduction potential of Fe³⁺/Fe²⁺ is +0.77 V. This indicates:

The spin-only magnetic moment of Fe²⁺ in its ground state is approximately:

The crystal field splitting energy (Δ) for [Co(H₂O)₆]²⁺ is approximately 9,300 cm⁻¹. The complex will be:

Which of the following lanthanides has the configuration [Xe]4f⁷6s²?

The solubility product of AgCl at 25°C is 1.8 × 10⁻¹⁰. In 0.1 M NaCl solution, the concentration of Ag⁺ will be:

The geometry of [PdCl₄]²⁻ complex is:

Which of the following statements about diborane (B₂H₆) is incorrect?

The complex [Ni(CN)₄]²⁻ is diamagnetic. This indicates:

In the preparation of chlorine by oxidizing HCl with MnO₂, the oxidation state of Mn changes from:

Which of the following factors does NOT affect the magnitude of crystal field splitting (Δ)?

Which of the following elements forms the most stable +6 oxidation state in its compounds?

Which transition metal forms a complex with CO that has maximum carbonyl stretching frequency?

The magnetic moment of [Fe(H₂O)₆]²⁺ complex is approximately: