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Question
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
NH3 + HCl ⇌ NH4Cl
Solution
Ammonia with hydrogen chloride
\[\ce{NH3[g] + HCl[g] ⇌ \underset{\text{ammonium chloride}}{NH4Cl[s]}}\]
The gas (products) changes to solid (reactants) state.
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