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Question

In which of the following reaction the physical state of the reactants or the product is not correctly represented?


A

N2(g)+3H2(g)2NH3(g)

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B

SO2(g)+Cl2(g)SO2(g)

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C

Zn (s)+HCl (aq)ZnCl2(aq)+H2(g)

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D

NH3(s)+HCl (aq)NH4Cl (s)

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Solution

The correct option is D

NH3(s)+HCl (aq)NH4Cl (s)


While writing a chemical equation letter are used in brackets or subscripts next to the chemical formulae to 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

The reaction in 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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