HSC Science कक्षा १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

Account for the following.

Aniline does not undergo Friedel – Crafts reaction.

Why carbohydrates are generally optically active.

Write the electronic configuration of Ce⁴⁺ and Co²⁺.

Which is more stable? Fe³⁺ or Fe²⁺ – explain.

Why europium (II) is more stable than Cerium (II)?

Which is the stronger reducing agent Cr²⁺ or Fe²⁺?

Write the postulates of Werner’s theory.

What is an elementary reaction?

Give the differences between order and molecularity of a reaction.

Explain the rate determining step with an example.

State Kohlrausch law. How is it useful to determine the molar conductivity of weak electrolytes at infinite dilution?

Which one of the following is an example for homogeneous catalysis?

Match the following.

Match the following.

Which of the following is the correct option?

What are enzymes?

Write a brief note on the mechanism of enzyme catalysis.

What do you mean by selectivity of catalyst?

Write a note on catalytic poison.

Explain the intermediate compound formation theory of catalysis with an example.

What is the difference between homogeneous and heterogeneous catalysis?