Advertisements
Advertisements
प्रश्न
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of salt formed.
उत्तर
1 mole MnO2 gives = 1 mole of MnCl2
So, 0.02 mole MnO2will give = 0.02 mole of MnCl2
APPEARS IN
संबंधित प्रश्न
Explain, with example, how the physical states of the reactants and products can be shown in a chemical equation.
What do you understand by endothermic reactions?
Balance the following equation. Also name the product formed.
` "H"_2"O"_2 → "H" _2 "O" + "O"_2`
Balance the following equation. Also name the product formed.
`"CO" + "O"_2 → " CO"_2`
Raisins are wiped off gently before final weighing with the help of
Write the balanced chemical equation of the following reaction.
iron pyrites(FeS2) + oxygen → ferric oxide + sulphur dioxide
Write word equation for the following molecular equation:
FeSO4 + 2NaOH →Na2SO4 + Fe(OH)2 ↓
Word equation:
State why [↓] indication is seen after Fe(OH)2 and not after Na2SO4
Write word equation for the following molecular equation:
\[\ce{CuSO4 + 2NaOH -> Na2SO4 + Cu(OH)2↓}\]
Word equation:
State the colour of the products.
Balance the following simple equation:
SO2 + O2 ⇌ SO3
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Make a list of the elements in the chemical equation.
