Question

Assertion: The mass and the charge are balanced on both sides of the reaction is a balanced chemical equation.
Reason: The chemical reaction should be balanced so that it can follow the law of conservation of mass.
A.Both assertion and reason are correct and reason is the correct explanation for the assertion
B.Both assertion and reason are correct and reason is not the correct explanation for the assertion
C.Assertion is correct but reason is incorrect
D.Both assertion and reason are incorrect

Answer 1

Balancing of a chemical equation is necessary to understand the stoichiometry of the given reaction. It is also important to accurately represent all the changes that happen as we observe the chemical reaction. Balancing the chemical equations also helps us to determine the ratio in which the reactants are to be taken to carry out the reaction without wasting any reactants.

Complete Step-by-Step Answer:
Before we move forward with the solution of the given question, let us first understand some important basic concepts.
A balanced chemical reaction can basically be understood as an equation in chemistry which contains two equivalent quantities on both sides of the reaction. The quantities that are equated are the mass of all the atoms that are involved in the given chemical reaction and the charges on the ions (if there are any in the reaction). This strikes a balance between the reactants we use and the products we obtain.
The Law of conservation of mass states that matter can neither be created nor be destroyed. This can be translated into a sense where we can say that the mass of the products that we obtain in a chemical reaction, should and must be equal to the initial mass of the reactants that were used.
Hence, the balancing of a reaction and the law of conservation of mass are in accordance with each other.
Hence, both assertion and reason are correct and reason is the correct explanation for the assertion
Hence, Option A is the correct option

Note: The law of conservation of mass is useful for a number of calculations and can be used to solve for unknown masses, such as the amount of gas consumed or produced during a reaction.