JEE Chemistry - MCQ Practice Questions

Which of the following chlorides is most covalent in nature?

The disproportionation of H₂O₂ in acidic medium is catalyzed by:

The geometry of [PtCl₄]²⁻ complex is:

The rate of precipitation of AgCl from a solution is fastest when:

In aqueous solution, which ion hydrolyzes to the maximum extent?

The bond angle in PCl₃ molecule is approximately:

Which of the following compounds shows maximum lattice energy?

The ionization potential of beryllium is higher than boron because:

When a solution of potassium permanganate is diluted with water in the presence of ethanol, the purple color fades. This is because:

Which of the following lanthanide elements has the electronic configuration [Xe]4f⁷5d¹6s²?

A metal X is more easily oxidized than metal Y. If X and Y form a galvanic cell, which metal acts as the anode?

The standard cell potential for a reaction is -0.5 V. What can be concluded about this reaction?

In the Daniel cell, the half-cell potentials are: Cu²⁺ + 2e⁻ → Cu, E° = +0.34 V and Zn²⁺ + 2e⁻ → Zn, E° = -0.76 V. Calculate E°cell:

How many grams of copper will be deposited when 2 faradays of electricity are passed through a copper sulfate solution?

Which of the following has the highest reduction potential?

What is the relationship between ΔG° and E°cell?

In electroplating of iron with copper, the cathode is made of:

The conductivity of a solution decreases with dilution because:

What is the relationship between ΔG° and E°cell at 25°C?

A cell has E°cell = +0.34 V. Which statement is correct?