Engineering Chemistry Molecularity Reaction Online Exam Quiz
Engineering Chemistry Molecularity Reaction GK Quiz. Question and Answers related to Engineering Chemistry Molecularity Reaction. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Molecularity Reaction
The elementary processes with molecularity greater than ________ are not known.
Options
A : 1
B : 2
C : 3
D : 0
Select the correct option from the following option.
Options
A : Catalyst is used to increase the rate of reaction by altering chemically during the course of reaction
B : Catalyst is used to decrease the rate of reaction by altering chemically during the course of reaction
C : Catalyst is used to increase the rate of reaction and remains unaltered chemically during the course of reaction
D : Catalyst is used to decrease the rate of reaction and remains altered chemically during the course of reaction
Which of the following factor does not effect the rate of reaction?
Options
A : Concentration of the reactant
B : Temperature
C : Pressure
D : Effect of catalyst
Concentration of the reactants is __________ proportional to the number of collisions and _________ proportional to the reaction rate.
Options
A : Directly, inversely
B : Directly, directly
C : Inversely, directly
D : Inversely, inversely
The effective collisions between the reactant molecules at higher temperatures ___________
Options
A : Increase
B : Decrease
C : Remains same
D : First increase then decrease
Which of the following statement is incorrect about the molecularity of a reaction?
Options
A : It is a theoretical concept
B : Each step of a multi-step reaction has a unique molecularity
C : It is equal to the total number of reactants taking part in elementary step
D : It can be zero, fractional or integer
The reaction rate is greatly influenced by ___________
Options
A : Nature of bond in the reactant molecules
B : Strength of bond in the reactant molecules
C : Both nature and strength of the reactant molecules
D : It does not depend on either nature or strength of the reactant molecules
Molecularity of a reaction is equal to the total number of _____________
Options
A : Products formed in the elementary step
B : Reactants taking part in elementary step
C : Reactants and products in the elementary step
D : Reactants and products in the final step
The molecularity of a multi-step reaction does not make any sense.
Options
A : True
B : False
C :
D :
The reactions register an increase in rates in the presence of radiations of specific wavelengths.
Options
A : True
B : False
C :
D :
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