111. Concentrated sulphuric acid catalysis an esterification reaction while platinium speeds up the reaction between hydrogen gas and oxygen gas. Which of the following statement(s) are INCORRECT? 1. Platinium acts as a homogeneous catalyst, while sulphuric acid acts as a heterogeneous catalyst 2. Platinium and sulphuric acid are both heterogeneous catalyst. 3. Platinium and sulphuric acid are both homogeneous catalyst. le . 112. The order of a chemical reaction is usually obtained 1. experimentally 2. arithmetically from rate date. 3. by observing the reaction. 113. In the collision theory of reaction rates 1. reacting substances must collide. 2. reacting substances must have enough energy. 3. the orientation of the molecules is not necessary. 114. Reaction rato
111. Concentrated sulphuric acid catalysis an esterification reaction while platinium speeds up the reaction between hydrogen gas and oxygen gas. Which of the following statement(s) are INCORRECT? 1. Platinium acts as a homogeneous catalyst, while sulphuric acid acts as a heterogeneous catalyst 2. Platinium and sulphuric acid are both heterogeneous catalyst. 3. Platinium and sulphuric acid are both homogeneous catalyst. le . 112. The order of a chemical reaction is usually obtained 1. experimentally 2. arithmetically from rate date. 3. by observing the reaction. 113. In the collision theory of reaction rates 1. reacting substances must collide. 2. reacting substances must have enough energy. 3. the orientation of the molecules is not necessary. 114. Reaction rato
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
Show all working explaining detailly your solution.
Answer Q 111, 112 & 113
![105. Line AC
1. Rate = KLA for a single reactant.
Rate = K[AJ[B] for two reactants
111. Concentrated sulphuric acid catalysis an
esterification reaction while platinium
speeds up the reaction between hydrogen
gas and oxygen gas. Which of the following
statement(s) are INCORRECT?
1. Platinium acts as a homogeneous
catalyst, while sulphuric acid acts as a
heterogeneous catalyst
2.
2.
3. Rate = KLA] for a single reactant.
106. Line ED
1. Rate = K[B] for a single reactant.
Rate = K[B] for a single reactants
2.
3. Rate = K[B]° for a single reactant.
The graph below represents the energy profile
against reaction path for the reaction
A +B C + D
Platinium and sulphuric acid are both
heterogeneous catalyst.
3. Platinium and sulphuric acid are both
homogeneous catalyst.
112. The order of a chemical reaction is usually
obtained
1. experimentally
2. arithmetically from rate date.
3. by observing the reaction.
Energy
A+ B
113. In the collision theory of reaction rates
reacting substances must collide.
2. reacting substances must have enough
C+D
1.
energy.
3. the orientation of the molecules is not
necessary.
Resction paih
107. What does M represent?
1. transition state
2. intermediate complex.
activated complex.
114. Reaction rate
1. increases with temperature increase.
dependence on temperature does not
fit the Arrherius equation.
is halved when the concentration is
halved.
3.
108. Which of the following technique(s) listed
below could be used to monitor the rate of
the reaction between oxalate ions and
manganate(VII) ions?
1. Collecting gas evolved.
2. Colorimetry.
3.
3.
115. The introduction of a catalyst in a chemical
reaction
1. affects the enthalpy of the reaction.
2.
Conductimetry.
Questions 109 - 116
Select or
does not afect the activation energy of
the reaction.
3. provides a surface for reactants to
adhere.
choose
the
INCORRECT
STATEMENT(S) from the proposed answers to
the questions.
116. The activated complex
1.
109. Which of these will NOT increase the rate
of a chemical reaction?
is the molecule with the less energy
2. will form the products if its energy E <
Ea.
1. İncreasing the surface area of catalyst.
2. Decreasing the temperature.
3. Decreasing the concentration.
3.
is the most stable molecule since its
energy E = Ea.
110. Which of the following experimental
techniques may NOT be conveniently used
to monitor the rate of the reaction
H,(g) + 1,(g) -2HI(g)
1. Collecting gas volume evolved.
2. Dilatometry.
3.
Titration.
169](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a34b30f-b24b-4f7d-99ce-077847d6f8ed%2F75e444fd-2d70-47db-98f1-df8d497e4e2d%2Fszaxwwa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:105. Line AC
1. Rate = KLA for a single reactant.
Rate = K[AJ[B] for two reactants
111. Concentrated sulphuric acid catalysis an
esterification reaction while platinium
speeds up the reaction between hydrogen
gas and oxygen gas. Which of the following
statement(s) are INCORRECT?
1. Platinium acts as a homogeneous
catalyst, while sulphuric acid acts as a
heterogeneous catalyst
2.
2.
3. Rate = KLA] for a single reactant.
106. Line ED
1. Rate = K[B] for a single reactant.
Rate = K[B] for a single reactants
2.
3. Rate = K[B]° for a single reactant.
The graph below represents the energy profile
against reaction path for the reaction
A +B C + D
Platinium and sulphuric acid are both
heterogeneous catalyst.
3. Platinium and sulphuric acid are both
homogeneous catalyst.
112. The order of a chemical reaction is usually
obtained
1. experimentally
2. arithmetically from rate date.
3. by observing the reaction.
Energy
A+ B
113. In the collision theory of reaction rates
reacting substances must collide.
2. reacting substances must have enough
C+D
1.
energy.
3. the orientation of the molecules is not
necessary.
Resction paih
107. What does M represent?
1. transition state
2. intermediate complex.
activated complex.
114. Reaction rate
1. increases with temperature increase.
dependence on temperature does not
fit the Arrherius equation.
is halved when the concentration is
halved.
3.
108. Which of the following technique(s) listed
below could be used to monitor the rate of
the reaction between oxalate ions and
manganate(VII) ions?
1. Collecting gas evolved.
2. Colorimetry.
3.
3.
115. The introduction of a catalyst in a chemical
reaction
1. affects the enthalpy of the reaction.
2.
Conductimetry.
Questions 109 - 116
Select or
does not afect the activation energy of
the reaction.
3. provides a surface for reactants to
adhere.
choose
the
INCORRECT
STATEMENT(S) from the proposed answers to
the questions.
116. The activated complex
1.
109. Which of these will NOT increase the rate
of a chemical reaction?
is the molecule with the less energy
2. will form the products if its energy E <
Ea.
1. İncreasing the surface area of catalyst.
2. Decreasing the temperature.
3. Decreasing the concentration.
3.
is the most stable molecule since its
energy E = Ea.
110. Which of the following experimental
techniques may NOT be conveniently used
to monitor the rate of the reaction
H,(g) + 1,(g) -2HI(g)
1. Collecting gas volume evolved.
2. Dilatometry.
3.
Titration.
169
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