alleryFor a heterogeneous equilibrium to exist, there must also be present some:
APure salt or sugar
BPure solid or liquid
CPure gas or vapour
DPure acid or alkali
Answer & Solution
Correct answer: B. Pure solid or liquid
1. The pure condensed phases do not appear in the expression.
2. For the existence of heterogeneous equilibrium pure solids or liquids must also be present.
3. This holds however small the amount may be.
_Source: syllabus Chemistry, Ch 7 'Equilibrium'_
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