___________is known as chile saltpetre
Sodium nitrate
Potassium nitrate
Calcium nitrate
Ferrous nitrate
Order of a reaction is _______________quantity.
a theoretical
an experimental
a hypothetical
an assumed
The elements of the group 13 to group 18 are collectively known as ________elements.
S-block
p-block
d-block
f-block
__________is a gas while all other elements in the group 15 are solids.
Nitrogen
Phosphorous
Arsenic
Antimony
The rate of reaction ___________with the passage of time as the concentration of reactants decrease.
decrease
increase
remains same
increases rapidly
Ionisation enthlpy decreases down the group due to gradual increase in
atomic size
ionisation energy
electronegativity
valence electrons
__________is known as Indian salt petre.
Ferrous Nitrate
The overall rate of the reaction is controlled by the slowest step in a reaction called the
Rate determining step
Fastest step
Equilibrium step
Steady state step
Reaction which occur on metal surfaces are examples of ____________order reactions.
Zero
First
Second
Third
The energy required to form activated complex is known as
Activation energy
Threshold energy
Maximum energy
Thermal energy
