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प्रश्न
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.
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उत्तर
| (a) | `"Fe"_2"O"_3("s") + 2"Al"("s") ->"Al"_2` | Displacement reaction / Redox reaction |
| (b) | `3"Mg"("s") + "N"_2("g") -> "Mg"_3"N"_2 ("s")` | Combination reaction |
| (c) | `2"KI"("aq") + "Cl"_2("g") + "Cl"_2("g") -> 2"KCl"("aq") + "I"_2("s");` | Displacement reaction |
| (d) | `"C"_2"H"_5"OH"("l") + 3"O"_2("g") -> 2"CO"_2("g") + 3"H"_2"O"("l") + "Heat"; ` | Redox reaction/ Combustion reaction |
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संबंधित प्रश्न
Write balanced chemical equations for the following word equation:
Magnesium + oxygen → Magnesium oxide
Balance the following equation. Also name the products formed.
`Mg + O_2 → MgO`
Balance the following equation. Also name the products formed.
`CO _2 + C → CO`
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + oxygen->Calcium oxide}\]
Balance the following equation:
\[\ce{Fe + Cl2->FeCl3}\]
Balance the following equation:
\[\ce{Pb3O4 + HCl->PbCl2 + H2O + Cl2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{Fe2O3 + 2H2->2Fe + 3H2O}\]
Balance the following important equation:
NaAlO2 + H2O → NaOH + Al(OH)3
Balance the following important equation:
Na2CO3 + HCl → NaCl + H2O + CO2
Balance the following important equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
Balance the following important equation:
Cu + HNO3 (conc.) → Cu(NO3)2 + H2O + NO2
Why is it important to balance a skeletal chemical equation?
Complete the missing component /variable given as x and y in the following reactions
`"Cu"("s") + 2"AgNO"_3("aq") -> "Cu"("NO"_3)_2("aq") + x("s")`
Complete the missing component /variable given as x and y in the following reactions
`"Zn"("s") + "H"_2"SO"_4("aq") -> "ZnSO"_4(x) + "H"_2("y")`
A solution of potassium chloride when mixed with silver nitrate solution, an insoluble substance is formed. Write the chemical reaction involved and mention the type of the chemical reaction.
Write the balanced chemical equation for the following reaction
Sodium carbonate on reaction with hydrochloric acid in equal molar concentrations gives sodium chloride and sodium hydrogencarbonate.
Identify the types of reaction mentioned above. Give one example for type in the form of a balanced chemical equation.
Identify the types of reaction mentioned above. Give one example for type in the form of a balanced chemical equation.
Complete and balance the following equation:
\[\ce{C2H5COONa + NaOH ->[\Delta][CaO]}\]
Write the balanced equation for the following chemical reaction.
\[\ce{Hydrogen + Chlorine -> Hydrogen chloride}\]
