Reaction Kinetics

Quiz
•
Science
•
12th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which among the following is a false statement?
Rate of zero order reaction is independent of initial concentration of reactant.
Half life of a third order reaction is inversely proportional to square of initial concentration of the reactant.
Molecularity of a reaction may be zero or fraction.
For a first order reaction, t1/2=0.693K
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The half life of the first order reaction having rate constant K = 1.7 x 10-5s-1 is
12.1 h
9.7 h
11.3 h
1.8 h
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
when the rate of the reaction is equal to the rate constant, the order of the reaction is
zero order
first order
second order
third order
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of molecules of the reactants taking part in a single step of the reaction is indicative of
order of a reaction
molecularity of a reaction
fast step of the mechanism of a reaction
half-life of the reaction
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The overall rate of a reaction is governed by
the rate of fastest intermediate step
the sum total of the rates of all intermediate steps
the average of the rates of all the intermediate steps
the rate of slowest intermediate step
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For a chemical reaction A→B, it is found that the rate of reaction doubles when the concentration of A is increased four times. The order of reaction is
Two
One
Half
Zero
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A catalyst alters, which of the following in a chemical reaction?
Entropy
Enthalpy
Internal energy
Activation energy
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