28. Activated complex is a substance which is c. can be isolated d. can exist as product a. Stable b. unstable 20 With raise in temperature rate of reaction
28. Activated complex is a substance which is c. can be isolated d. can exist as product a. Stable b. unstable 20 With raise in temperature rate of reaction
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
![28. Activated complex is a substance which
35. If the reactants are disappeared in more
is
than one hour, it means the reaction is
a. Stable
c. can be isolated
a. Faster
c. very fast
b. unstable
d. can exist as product
b. Slower
d. very slow
29. With raise in temperature rate of reaction
increases due to
36. Anthracene is an example of
a. Increase in collision
a. Homocyclic hydrocarbons
b. decrease in activated complex
b. heterocyclic hydrocarbons
c. increase in kinetic energy of the
c. polycyclic hydrocarbons
reactant molecules
d. PАHS
d. more number of molecules attain
37. Which
of
the
following
is/are
energy of activation
heterocyclic organic compounds
30. Activation energy depends upon
а. Рyridine
c. furan
a. Temperature
c. both a and b
b. thiophene
d. all
b. catalyst
d. none
38. On the basis of functional group organic
31. Energy of activation is expected to be
compounds are classified as
required more for one of the following
a. Hydrocarbons
a. Exothermic reaction
b. derivatives of hydrocarbons
b. athermic reaction
c. both a and b
c. endothermic reaction
d. all
d. none
32. If the rate of reaction is determined
39. A series of organic compounds in which
form the change in concentration of
the adjacent member is differ by
reactants, then it is taken
methylene group (-CH2-) only is called
a. Positive
c. both
a. Isomerism
c. functional groups
b. Negative
d. none
b. homologous series
d. all
33. СО + NO2 — СО2 + NO
40. Homologues have similar
The correct rate expression for the above
a. Chemical properties
reaction will be
b. similar method of preparation
Rate = d[CO]/dt c. Rate = -d[CO2/dt
c. both a and b
а.
b. Rate = d[NO2]/dt
d. none
d. physical properties
34. In the reaction is completed in one
41. Which of the following is more ionic
minute, it mean the rate is
a. PbCl4
c. SiCl4
Faster
c. very fast
b. P6C12
d. CCl4
а.
b. Slower
d. very slow](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa4017a1c-8c33-4261-bdad-40683f8a3dbc%2Fcbef7793-6712-4d30-aefb-a8f5906d97e5%2Fhh0s4n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:28. Activated complex is a substance which
35. If the reactants are disappeared in more
is
than one hour, it means the reaction is
a. Stable
c. can be isolated
a. Faster
c. very fast
b. unstable
d. can exist as product
b. Slower
d. very slow
29. With raise in temperature rate of reaction
increases due to
36. Anthracene is an example of
a. Increase in collision
a. Homocyclic hydrocarbons
b. decrease in activated complex
b. heterocyclic hydrocarbons
c. increase in kinetic energy of the
c. polycyclic hydrocarbons
reactant molecules
d. PАHS
d. more number of molecules attain
37. Which
of
the
following
is/are
energy of activation
heterocyclic organic compounds
30. Activation energy depends upon
а. Рyridine
c. furan
a. Temperature
c. both a and b
b. thiophene
d. all
b. catalyst
d. none
38. On the basis of functional group organic
31. Energy of activation is expected to be
compounds are classified as
required more for one of the following
a. Hydrocarbons
a. Exothermic reaction
b. derivatives of hydrocarbons
b. athermic reaction
c. both a and b
c. endothermic reaction
d. all
d. none
32. If the rate of reaction is determined
39. A series of organic compounds in which
form the change in concentration of
the adjacent member is differ by
reactants, then it is taken
methylene group (-CH2-) only is called
a. Positive
c. both
a. Isomerism
c. functional groups
b. Negative
d. none
b. homologous series
d. all
33. СО + NO2 — СО2 + NO
40. Homologues have similar
The correct rate expression for the above
a. Chemical properties
reaction will be
b. similar method of preparation
Rate = d[CO]/dt c. Rate = -d[CO2/dt
c. both a and b
а.
b. Rate = d[NO2]/dt
d. none
d. physical properties
34. In the reaction is completed in one
41. Which of the following is more ionic
minute, it mean the rate is
a. PbCl4
c. SiCl4
Faster
c. very fast
b. P6C12
d. CCl4
а.
b. Slower
d. very slow
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