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IB Chemistry HL 2.3.5 Reaction quotient (Q) Question Bank

Practise IB Chemistry HL 2.3.5 by applying reaction quotient (q) to exam-style questions.

Syllabus
First assessment 2025
Course
Chemistry HL
Level
HL

Exam points

  • identify the relevant chemical structure, process or evidence
  • apply the correct chemical model or equation
  • evaluate the result using chemical reasoning and data

2.3.5 (HL)—Reaction quotient (Q) question 1

[Maximum number: 1]

Nitrous acid, HNO2\mathrm{HNO}_{2}, is a weak acid which can be used to make acidic buffers.

State the correct name for the value determined in e(i).

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