Advertisements
Advertisements
प्रश्न
Balance the following equation:
\[\ce{P + O2->P2O5}\]
Advertisements
उत्तर
\[\ce{P + O2->P2O5}\]
To balance O atoms on both sides
\[\ce{P + 5O2->2P2O5}\]
There are 4 P atoms on RHS
∴ Make P atoms 4 on LHS
\[\ce{4P + 5O2->2P2O5}\]
Atoms of P and O are equal on both sides.
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation with state symbols for the following reaction.
Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.
Write a balanced chemical equation with state symbols for the following reaction.
Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.
Balance the following equation:
\[\ce{Fe + H2O⇌Fe3O4 + H2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{Fe2O3 + 2H2->2Fe + 3H2O}\]
Balance the following important equation:
AIN + H2O `→` Al(OH)3 + NH3
Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?
- It is an endothermic reaction
- It is an exothermic reaction
- The pH of the resulting solution will be more than seven
- The pH of the resulting solution will be less than seven
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")`
Why do fire flies glow at night ?
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.
Mention any two information conveyed by a balanced chemical equation.
