Anything which increases rate of reaction without being involved in the reaction________________?
(A) Promoter
(B) Catalyst
(C) Inhibitor
(D) All of the above
Which of the following will have very high rate of reaction ?
(A) Double decomposition reaction
(B) Neutralization reaction
(C) Ionic reactions
(D) all of above
Radiations are absorbed in_______________?
(A) Spectrophotometer method
(B) Dilatometric method
(C) Optical relation method
(D) Refractometric method
Activated complex is formed due to________________?
(A) Pressure
(B) Effective collision
(C) Ineffective collisions
(D) Temperature
Which order of reaction obeys the relation t1/2 = 1/Ka____________________?
(A) First order
(B) Second order
(C) Third order
(D) Zero order
Rate of reaction when concentration of reactants are taken as unity is called_________________?
(A) Arrhenius constant
(B) Molecularity
(C) Specific rate constant
(D) Ideal rate constant
When a graph is plotted between 1/T on X-axis and log k on y-axis a straight line is obtained with a negative slope which has two end in__________________?
(A) I and II quadrant
(B) II and III quadrant
(C) III and IV quadrant
(D) II and IV quadrant
In rate expression the concentration of reactants is negative. It shows_______________?
(A) Concentration of reactant does not change
(B) Concentration of product increases
(C) Concentration of reactant decreases
(D) Concentration of reactant increases
Sum of exponents of molar concentration is called___________________?
(A) Order of reaction
(B) Molecularity
(C) Rate of reaction
(D) Average of reaction
On increasing the temperature the rate of reaction increases mainly because_________________?
(A) The activation energy of the reaction increases
(B) Concentration of the reacting molecules increases
(C) Collision frequency increases
(D) None of these