Advertisements
Advertisements
प्रश्न
How will you obtain Ammonia from nitrogen.
Also give balanced equations for the reactions
उत्तर
Nitrogen when reacts with hydrogen at 450°C and under 200 atm, ammonia is formed.
\[\ce{N2 + 3H2 ⇌[450°C][200 atm] 2 NH3}\]
APPEARS IN
संबंधित प्रश्न
Define exothermic reactions. Give two examples of each.
Define endothermic reactions. Give two examples of each.
Identify the endothermic and exothermic reaction.
HCl + NaOH → NaCl + H2O + heat
Give an example of the following chemical changes.
A photochemical reaction involving silver salt.
Name a compound which produces carbon dioxide on heating.
State which type of chemical reaction proceeds with the absorption of heat energy.
Mention any two exothermic reactions.
Complete the following table:
Chemical Reactions | Name reaction type |
\[\ce{C(s) + O2(g) -> CO2(g)}\] | (a) ________ |
\[\ce{Zn(s) + CuSO4(aq) ->}\] (b) _________ | Displacement reaction |
\[\ce{2Cu(s) + O2(g) ->[heat] 2CuO(s)}\] | (c) _________ |
\[\ce{C(s) + 2H2(g) -> CH4(g)}\] | (d) _________ |
\[\ce{CaO(s) + H2O(l) -> Ca(OH)2(aq) + heat}\] | (e) _________ |
\[\ce{CaCO3(s) + Heat ->}\] (f) _________ | Endothermic Reaction |
Give scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.