More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Chemistry Fsc Part 1 Chapter 11 Online Test MCQs With Answers
Question # 1
The substance which decrease the activity of a catalyst is called.
Choose an answer
Promoter
Activator
Inhibitor
Positive catalyst
Previous
Skip
Next
Question # 2
A substance which itself is not a catalyst but increases the activity of a catalyst is called.
Choose an answer
Promoter
Poisoner
Inhibitor
Enzyme
Previous
Skip
Next
Question # 3
Choose an answer
1
2
3
None of these
Previous
Skip
Next
Question # 4
All radio active disintegration nuclear reaction are of.
Choose an answer
First order
Zero order
2nd order
Third order
Previous
Skip
Next
Question # 5
In zero order reaction, the rate is independent of.
Choose an answer
Temperature of reaction
Concentration of reactants
concentration of products
None of these
Previous
Skip
Next
Question # 6
After 3 half life of a chemical reaction, amount of reactant un reactive will be.
Choose an answer
50%
25%
12.5%
6.25%
Previous
Skip
Next
Question # 7
Unit of rate constant is the same as that of the rate of reaction in
Choose an answer
Zero order reaction
1st order reaction
2nd order reaction
3rd order reaction
Previous
Skip
Next
Question # 8
When a reaction occurs in many steps than the slowest step is.
Choose an answer
Mechanism step
Rate determining step
enthalpy determining step
None of the above
Previous
Skip
Next
Question # 9
The quantitative relationship between rate and concentration is given by.
Choose an answer
Law of mass action
Rate law
Both of these
Le Chatelier's principle
Previous
Skip
Next
Question # 10
Photosynthesis a photochemical reaction has order of reaction
Choose an answer
0
1
2
Fractional order
Previous
Skip
Next
Question # 11
Dilatometer method is useful for the reactions that involve.
Choose an answer
Ionic species
Where reactant absorb U.V. visible or infrared radiations
Small volume changes in solutions
Change in refractive indices
Previous
Skip
Next
Question # 12
When a chemical reaction is completed the
Choose an answer
Instantaneous rate > average rate
Instantaneous rate = average rate
Instantaneous rate is zero
Both average and instantaneous rates become zero
Previous
Skip
Next
Question # 13
When a reaction proceeds in a sequence of steps, the overall rate is determined by
Choose an answer
Fastest step
Slowest step
Order of different steps
Molecularity of all steps
Previous
Skip
Next
Question # 14
In zero order reaction the rate is independent of.
Choose an answer
Temperature of reaction
Concentration of reactants
Concentration of products
None of these
Previous
Skip
Next
Question # 15
The reaction that involves gases, its rate does not depend upon
Choose an answer
Catalyst
Temperature
Moles dm
-3
Partial pressure
Previous
Skip
Next
Question # 16
The power of which the concentration of a substance appears in the rate expression is known as
Choose an answer
order of reaction with respect to that substance
Rate of reaction
Order of reaction
Molecularity of reaction
Previous
Skip
Next
Question # 17
Half life period for 235 U is
92
Choose an answer
710 million years
810 milion years
720 million years
820 million years
Previous
Skip
Next
Back