Entry Test MCQ :: Reaction Kinetics

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11.

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

12.

Rate of disappearance of reactant is equal to

A.	Rate of reaction	B.	Rate of formation of product
C.	Energy released during reaction	D.	a and b

13.

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

14.

Order of reaction of 2N2O5 ? 2N2O4+O2 is

A.	First order	B.	Second order
C.	Third order	D.	zero order

15.

For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants

A.	Single	B.	Square
C.	Cube	D.	Raise to power four

16.

Which order of reaction obeys the relation t1/2 = 1/Ka

A.	First order	B.	Second order
C.	Third order	D.	Zero order

17.

Radiations are absorbed in

A.	Spectrophotometer method	B.	Dilatometric method
C.	Optical relation method	D.	Refractometric method

18.

Activated complex is formed due to

A.	Pressure	B.	Effective collision
C.	Ineffective collisions	D.	Temperature

19.

Energy of reactant higher than energy of product favours

A.	Endothermic	B.	Exothermic
C.	Moderate reaction	D.	No reaction

20.

Energy required to form transition state is called

A.	Ea	B.	P.E
C.	V	D.	K.E