Advertisements
Advertisements
प्रश्न
Balance the following equation stepwise.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Advertisements
उत्तर
Step 1: Write the chemical equation
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Step 2: Compare the number of atoms of each element on each side.
| Elements | Number of atoms on the reactant side | Number of atoms on the product side |
| Na | 1 | 2 |
| O | 5 | 5 |
| H | 3 | 2 |
| S | 1 | 1 |
Step 3: Start balancing and write the balanced equation.
| Elements | Number of atoms on the reactant side | Number of atoms on the product side |
| Na | 2 | 2 |
| O | 6 | 6 |
| H | 4 | 4 |
| S | 1 | 1 |
\[\ce{2NaOH + H2SO4 -> Na2SO4 + 2H2O}\]
APPEARS IN
संबंधित प्रश्न
State four conditions necessary for a chemical reaction to take place.
Balance the following equation. Also name the products formed.
`NaNO_3→ NaNO_2 + O_2 ` Name of product (s)
Balance the following equation. Also name the products formed.
`H_2O_2 → H_2O +O_2`
Balance the following equation. Also name the products formed.
`K_2 O + H_2 O → KOH`
Balance the following equation. Also name the products formed.
`FeCI_2 + CI_2 → Fe CI_3`
What is the chemical equation. How is it represented?
Chemical equations suffer from a number of limitations. State the main limitations of a chemical equation.
Write a balanced molecular equation for the following word equation:
\[\ce{Copper hydroxide + nitric acid->Copper nitrate + water}\]
Write a balanced molecular equation for the following word equation:
\[\ce{Lead nitrate + sodium chloride->Sodium nitrate + lead chloride}\]
Balance the following equation:
\[\ce{Fe2O3 + H2->Fe + H2O}\]
Balance the following equation:
\[\ce{FeCl3 + NaOH->NaCl + Fe(OH)3}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{ZnO + 3NaOH->Na2ZnO2 + H2O}\]\
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{FeCl3 + 3NH4OH->2NH4Cl + Fe(OH)3}\]
Balance the following important equation:
\[\ce{Pb3O4 + HCl -> PbCl2 + H2O + Cl2}\]
Balance the following important equation:
S + HNO3 (conc.) → H2SO4 + H2O + NO2
Before burning in air, the magnesium ribbon is cleaned by rubbing with sand paper to:
The following reaction is used for the preparation of oxygen gas in the laboratory
`2"KClO"_3("s") overset("Heat")underset("Catalyst")(->) 2"KCl"("s") + 3"O"_2 ("g")`
Which of the following statement(s) is(are) correct about the reaction ?
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Iron (III) oxide reacts with aluminum and gives molten iron and aluminum oxide.
- Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.
- Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine.
- Ethanol is burnt in air to form carbon dioxide, water and releases heat.
Ferrous sulphate decomposes with the evolution of a gas having a characteristic smell of burning sulphur. Write the chemical reaction involved and identify the type of reaction.
Complete and balance the following equation:
\[\ce{CuSO4 + NH3OH ->}\]
