Advertisements
Advertisements
प्रश्न
Write the balanced chemical equation of the following reaction.
copper + nitric acid → copper nitrate + nitric oxide + water
उत्तर
3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O
APPEARS IN
संबंधित प्रश्न
What is a balanced chemical equation? Why should a chemical equation be balanced?
With the help of an appropriate example, justify that some of the chemical reactions are determined by Evolution of a gas.
Give chemical equation for the reaction involved in the above case.
Is Electrolysis of water an endothermic reaction or an exothermic reaction?
You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of:
(a) potassium chloride
(b) potassium nitride
(c) potassium sulphide
(d) potassium iodide
Which of the following is not an endothermic reaction?
(a) CaCO3 → CaO + CO2
(b) 2H2O →2H2 + O2
(c) 6CO2 + 6H2O → C6H12O6 + 6O2
(d) C6H12O6 + 6O2 → 6CO2 + 6H2O
Balance the following equation. Also name the product formed.
FeCI2 + CI2 → FeCI3
In the experiment for determining the percentage of water absorbed by raisins, we do the final weighing of the raisins after keeping them dipped in water for about one hour. For the accuracy of the result, the extra water from the surface of the soaked raisins is removed by
Balance the following equation:
C + H2SO4 → CO2 + H2O + SO2
Balance the following equation:
NO2 +H2O → HNO2 + HNO3
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of chlorine gas formed.
