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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
Balance the following equation. Also name the products formed.
`CO _2 + C → CO`
Name the type of chemical reaction shown by the following equation:
Fe2O3 + 2Al → Al2O3 + 2Fe
Write your observations and name the product when
Zinc reacts with dilute hydrochloric acid.
Chemical equations suffer from a number of limitations. State the main limitations of a chemical equation.
Balance the following equation:
\[\ce{Fe2O3 + H2->Fe + H2O}\]
Balance the following equation:
\[\ce{NO + O2->NO2}\]
Balance the following equation:
\[\ce{H2S + Cl2->S + HCl}\]
Balance the following important equation:
FeCl3 + NH4OH → NH4Cl + Fe(OH)3
Balance the following important equation:
Pb(OH)2 + NaOH → Na2PbO2 + H2O
Balance the following important equation:
Al2O3.2H2O + NaOH → NaAlO2 + H2O
Balance the following important equation:
\[\ce{Al(OH)3 -> Al2O3 + H2O}\]
Balance the following important equation:
AIN + H2O `→` Al(OH)3 + NH3
Balance the following important equation:
Cu + HNO3 (conc.) → Cu(NO3)2 + H2O + NO2
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:
In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at 773 K to form ammonia gas.
- Potassium hydroxide solution is treated with acetic acid to form potassium acetate and water.
- Ethanol is warmed with ethanoic acid to form ethyl acetate in the presence of concentrated H2SO4.
- Ethene is burnt in the presence of oxygen to form carbon dioxide, water and release heat and light.
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.
Complete and balance the following equation:
\[\ce{NH4Cl + Ca(OH)2 ->}\]
Write the balanced equation for the following chemical reaction.
\[\ce{Hydrogen + Chlorine -> Hydrogen chloride}\]
