Advertisements
Advertisements
प्रश्न
What are the limitations of a chemical equation ?
उत्तर
- It does not inform about the physical states of the reactants and the product i.e. whether they are solids, liquids and gases.
- It does not inform about the concentration of reactants and products.
- It does not inform about the time taken for the completion of the reaction.
- It does not inform about the rate at which a reaction proceeds.
- It does not inform about the heat changes during the reaction i. e. whether the heat is given out or absorbed.
- It does not inform about the conditions such as temperature, pressure, catalyst etc. which affect the reaction.
- It does not inform about the nature of the reaction i.e. whether it is reversible or irreversible.
APPEARS IN
संबंधित प्रश्न
Differentiate between:
Reactants and products.
Balance the following equation:
Na2O + H2O → NaOH
Define chemical reaction.
Balance the following equation. Also name the products formed.
`Zn+ HCI → ZnCI _2 + H_2`
Balance the following equation stepwise.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Differentiate between a ‘word equation’ and a ‘molecular equation’ with a suitable example.
Balance the following important equation:
FeCl3 + NaOH → NaCl + Fe(OH)3
Balance the following important equation:
NH3 + O2 → NO + H2O (catalytic oxidation of NH3)
Mention any two information conveyed by a balanced chemical equation.
Write the balanced equation for the following chemical reaction.
\[\ce{Hydrogen + Chlorine -> Hydrogen chloride}\]
