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GyanMul Prep · NEB +2 · Science · Grade 12

Chemistry (Science, Grade 12)

Everything on these tabs is Chemistry (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

GyanMul Prep · NEB +2 · Science · Grade 12

Chemistry (Science, Grade 12)

Everything on these tabs is Chemistry (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

Chapter 3 of 21 · Chemistry (Science, Grade 12)

Chemical Kinetics

8 topics
Board exam — Physical chemistry, 22 marks across 5 chapters
2 solved questions

How fast a reaction goes and what the rate depends on: average against instantaneous rate, the rate law read off experimental data, order against molecularity, and the activation energy an energy profile makes visible.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Rate of reaction: average and instantaneous rate; rate expressions
2Factors affecting the rate of a reaction
3Rate law, rate constant and their units
4Order and molecularity of a reaction, and the differences between them
5Zero order and first order reactions; half-life
6Pseudo-first order reactions
7Determination of order from experimental data
8Collision theory, activation energy and the energy profile diagram