Related Questions

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will
A Remain the same
B Be halved
C Also be doubled
D Become one fourth
Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.
A Zero order
B Third order
C Consecutive
D None of these
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.
A Independent of
B Directly proportional to
C Inversely proportional to
D Proportional to the square of
What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction?
A 0
B 1
C 2
D 3
The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy.
A Activation
B Potential
C Binding
D Threshold
In an exothermic chemical reaction, the reactants compared to the products have
A Higher temperature
B More energy
C Less energy
D Same energy
In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants )
A Addition of inert gas favours the forward reaction, when Δx is positive
B Pressure has no effect on equilibrium, when Δn = 0
C Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero)
D All of the above
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is
A 0
B 1
C 2
D 3
The rate of reaction of a/an __________ reaction is not affected by temperature rise.
A Autocatalytic
B Photochemical
C Consecutive
D Zero order
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of

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