Advertisements
Advertisements
प्रश्न
What are the limitations of a chemical equation ?
Advertisements
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
Balance the following equation:
`Fe+ H_2O → Fe_3 O_4+H_2`
Write a balanced molecular equation for the following word equation:
\[\ce{Copper hydroxide + nitric acid->Copper nitrate + water}\]
Balance the following equation:
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{FeS + 2HCl + 2FeCl2 + H2S}\]
Balance the following important equation:
Pb(OH)2 + NaOH → Na2PbO2 + H2O
Balance the following important equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
Which of the following is Not True with respect to the neutralisation reaction?
Before burning in air, the magnesium ribbon is cleaned by rubbing with sand paper to:
Which of the following gases can be used for storage of fresh sample of an oil for a long time?
Write the balanced chemical equation for the following reaction
Sodium hydrogencarbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.
