Advertisements
Advertisements
Question
Balance the following equation:
\[\ce{FeCl3 + NaOH->NaCl + Fe(OH)3}\]
Solution
\[\ce{FeCl3 + NaOH->NaCl + Fe(OH)3}\]
Multiply NaOH by 3 and NaCl by 3
\[\ce{FeCl3 + 3NaOH->3NaCl + Fe(OH)3}\]
APPEARS IN
RELATED QUESTIONS
What information do you get from the following chemical equation:
Zn(s) + 2HCl (dil) → ZnCl2 (aq) + H2(g)
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{PbO2 + 4HCl->PbCl2 + H2O + Cl2}\]
Balance the following important equation:
NaOH + H2SO4 → Na2SO4 + H2O
Balance the following important equation:
Pb(NO3)2 + NaCl → NaNO3 + PbCl2
Magnesium ribbon is rubbed before burning because it has a coating of ____________.
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.
Which among the following change is exothermic or endothermic in nature?
Dissolution of ammonium chloride in water
Write a balanced chemical equation of the following reaction and also classify them.
Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas.
A magnesium ribbon is burnt in oxygen to give a white compound ‘X’ accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound ‘Y’.
- Write the chemical formulae of X and Y.
- Write a balanced chemical equations when X and Y are dissolved in water.
What information is not conveyed by a balanced chemical equation?