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Question
In which of the following reaction the physical state of the reactants or the product is not correctly represented?
Options:
A .  N2(g)+3H2(g)⇋2NH3(g)
B .  SO2(g)+Cl2(g)⇋SO2(g)
C .  Zn (s)+HCl (aq)⇋ZnCl2(aq)+H2(g)
D .  NH3(s)+HCl (aq)⇋NH4Cl (s)
Answer: Option D
:
D
While writing a chemical equation letter are used in brackets or subscripts next to the chemical formulaeto specify the physical state of the reactants and the products.
- s is for solids
- l is for liquids
- g for gas
- aq is aqueous solution
Thereactionin which the physical state of the reactants or the product is not correctly represented is:
NH3(s)+HCl (aq)NH4Cl (s)
This is because ammonia(NH3)is a gas.

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