Advertisements
Advertisements
प्रश्न
Balance the following equation:
\[\ce{Pb3O4 + HCl->PbCl2 + H2O + Cl2}\]
Advertisements
उत्तर
\[\ce{Pb3O4 + HCl->PbCl2 + H2O + Cl2}\]
There are 4 atoms of oxygen in Pb3O4 so make H atoms 8 in HCl.
\[\ce{Pb3O4 + 8HCl->PbCl2 + H2O + Cl2}\]
Multiply PbCl2 by 3 to make Pb atoms equal and H2O by 4.
\[\ce{Pb3O4 + 8HCl->3PbCl2 + 4H2O + Cl2}\]
APPEARS IN
संबंधित प्रश्न
Balance the following equation:
CO + O2 → CO2
What is the chemical equation. How is it represented?
Balance the following equation:
\[\ce{Fe + Cl2->FeCl3}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{FeCl3 + 3NH4OH->2NH4Cl + Fe(OH)3}\]
When ferrous sulphate is heated strongly it undergoes decomposition to form ferric oxide as a main product accompanied by a change in colour from:
Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
- Displacement reaction
- Precipitation reaction
- Combination reaction
- Double displacement reaction
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")`
Which among the following change is exothermic or endothermic in nature?
Dilution of sulphuric acid
Complete and balance the following equation:
\[\ce{Cu + Conc{.} HNO3 ->}\]
Write the balanced equation for the following chemical reaction.
\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]
