JEE Chemistry - MCQ Practice Questions

The coordination number of Cu²⁺ in CuSO₄·5H₂O is:

Which of the following d-block elements has the configuration [Ar]3d¹⁰4s¹?

The hybridization of sulfur in SF₆ molecule is:

The bond angle in PCl₃ is approximately:

The oxidation state of Mn in KMnO₄ is:

Which statement about diagonal relationship in periodic table is correct?

The most stable oxidation state of chromium is:

In the reaction of P₄ with excess oxygen, the product is:

The color of K₂Cr₂O₇ solution is due to:

Which of the following metals can displace hydrogen from dilute acids?

The aqueous solution of which salt would be basic?

Which complex ion shows maximum paramagnetism?

The lattice energy of NaCl is higher than that of NaI because:

The stability of peroxides and superoxides of alkali metals increases with increasing atomic number because:

In the extraction of iron from Fe₂O₃ using CO as reducing agent, the rate-determining step involves:

Which of the following chromium compounds would show maximum paramagnetic behavior?

The structure of [PtCl₄]²⁻ is square planar because:

Which of the following elements forms the most stable +6 oxidation state compound?

In the thermite reaction, which metal is oxidized?

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