What are the draw back of a chemical equation ? With example
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Limitations are as follows :
1. A chemical equation does not indicate the physical stale of reactants and the products, i.e., it does not tell whether the substance involved in the reaction are solids, liquids or gases,
2. It does not indicate whether heat is evolved or absorbed as a result of reaction, i.e., it does not tell whether the reaction is exothermic or endothermic.
3. It does not indicate the conditions of reaction, i.e., it gives no idea about the pressure, temperature, concentration, presence of catalyst, etc. under which the reaction may occur,
4. It does not indicate whether the reaction is fast or slow.
5. Some reactions occur with explosion. This is not indicated by the chemical equation.
6. It does not tell about the actual amount of the reactants consumed or products formed. It gives only ratio.
eg. C+ O2=CO2
Thanks.
Limitations are as follows :
1. A chemical equation does not indicate the physical stale of reactants and the products, i.e., it does not tell whether the substance involved in the reaction are solids, liquids or gases,
2. It does not indicate whether heat is evolved or absorbed as a result of reaction, i.e., it does not tell whether the reaction is exothermic or endothermic.
3. It does not indicate the conditions of reaction, i.e., it gives no idea about the pressure, temperature, concentration, presence of catalyst, etc. under which the reaction may occur,
4. It does not indicate whether the reaction is fast or slow.
5. Some reactions occur with explosion. This is not indicated by the chemical equation.
6. It does not tell about the actual amount of the reactants consumed or products formed. It gives only ratio.
eg. C+ O2=CO2
Thanks.
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