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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 1 of 21 · Chemistry (Science, Grade 12)

Volumetric Analysis

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

Measuring one solution against another: the concentration terms, the equivalent weight that makes them comparable, the normality equation, and the acid-base and redox titrations a laboratory actually runs.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Concentration terms: molarity, molality, normality and formality
2Equivalent weight of acids, bases, salts and oxidising agents
3Primary and secondary standard substances
4The normality equation and its deduction
5Acid-base titration, the choice of indicator and the titration curve
6Redox titration: potassium permanganate and potassium dichromate
7Iodometric and iodimetric titration
8Numerical problems on titration and percentage purity