OnlineCBT
Chemistry · Some Basic Concepts of Chemistry
हिन्दीGiven below are two statements: Statement I: In balancing a chemical equation, the subscripts in formulas of reactants and products must be altered to equate the number of atoms on both sides. Statement II: According to the law of conservation of mass, a balanced chemical equation must have the same number of atoms of each element on both sides of the equation. In the light of the above statements, choose the most appropriate answer from the options given below:
Correct answer · Option 4
Statement I is incorrect but Statement II is correct.
Explanation
Subscripts in formulas can never be changed while balancing because that alters the chemical identity; only stoichiometric coefficients are adjusted. Hence, Statement I is incorrect and Statement II is correct.
