Question

What are the limitations of chemical reactions?

Answer 1

Hint: The chemical reaction is the representation of the conversion of the reactants into the products. The reactants are placed to the left of the single headed arrow and the products are represented at the right of the single headed arrow. There were some limitations for the chemical reactions. For some reaction we will see the double half added arrow.

Complete answer:
When the two or more reactants are mixed or sometimes one reactant may decompose to give products. These conversion of the reactants into products can be represented in chemical equations.
Generally. The products will be represented at the left of the arrow and the products were placed after the arrow. For some reactions, like reversible reactions the single headed arrow can be replaced by double headed half arrows.
The chemical reactions have some limitations. They are:
-The chemical reaction itself does not indicate the phase of reactants and products. We have to indicate the phases.
-The terms like pressure, temperature and volume also affect the chemical reaction.
-The rate of a reaction cannot be known by looking at chemical reactions.
-The physical states like color, state cannot be known, but we have to mention them.

Note :
A balanced chemical equation is the representation of equal elements on the both sides of the reactants and products. It does not represent all the physical states of the reactants and products. The above are some of the limitations of chemical reaction.