Engineering Chemistry Mcqs Online Exam Quiz
Engineering Chemistry Mcqs GK Quiz. Question and Answers related to Engineering Chemistry Mcqs. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Mcqs
How many times the rate of reaction increases at 200C for a reaction having the activation energies in the presence and absence of catalyst as 50 kJ/mol and 75 kJ/mol?
Options
A : 1000
B : 10000
C : 30000
D : 50000
The ratio of the rate constant of a reaction at two temperatures differing by __________0C is called temperature coefficient of reaction.
Options
A : 2
B : 10
C : 100
D : 50
According to Arrhenius equation, rate constant(k) is proportional to ___________
Options
A : Activation Energy (E)
B : eE
C : e1/E
D : e-E
Temperature dependence of reaction rates can be studied by plotting a graph between ___________
Options
A : Concentration of reactants and temperature
B : Concentration of products and temperature
C : Rate constant and temperature
D : Rate of catalysis and temperature
A zero order reaction is one ___________
Options
A : In which rate is independent of reactants concentration
B : In which one of the reactant is in large excess
C : Whose rate is not affected by time
D : Whose rate increases with time
Which of the following method is satisfactory only for a simple homogeneous reaction?
Options
A : Integration method
B : Half life period method
C : Graphical method
D : Ostwald’s isolation method
Which of the following method is used to determine the order of the reaction in which two or more reactants take part?
Options
A : Integration method
B : Half life period method
C : Graphical method
D : Ostwald’s isolation method
How does half life period of a first order reaction vary with temperature?
Options
A : It increases
B : It decreases
C : It remains the same
D : Both increases as well as decrease
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