number of chiral carbon atoms in one molecule of the compound: НН ОН ... HOCH S-Ċ-Ċ

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section14.7: Reaction Mechanisms
Problem 1.2ACP
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The number of chiral carbon atoms in one molecule of the compound:
HH OH
HOCH₂-C-c-c-c
OH OH H
CH₂OH
is:
(a)
5
(b)
4
(c)
3
(d)
2
Crushing a solid into a powder will increase reaction rate because:
(a)
the particles will collide with more energy
(b)
the orientation of colliding particles will be improved
the activation energy barrier will be lowered
(c)
(d)
the powdered form has more surface area.
Which of the following structural formulae correctly represents this molecule:
2,2,4-trimethylheptane?
(a) CH3C(CH3)2CH₂CH(CH3)CH₂CH₂CH3
(b) CH3CH2C(CH3)2CH(CH3)CH₂CH2CH3
(c) CH3C(CH3)2CH₂CH(CH3CH₂CH₂CH₂CH3
(d) CH3CH(CH3)CH(CH3)CH(CH3)CH₂CH3
This reaction below:
CH₂CH₂ + HBr CH3CH₂Br
is an example of what kind of a chemical reaction?
(a)
Electrophilic Addition
(b)
Electrophilic Substitution
(c)
Elimination
Condensation
(d)
Which one of the following is the correct bond angle between atoms adopting a trigonal
planar geometry?
(a) 180°
(b)
109.5°
(c)
90⁰
(d)
120°
A catalyst which is in a different phase as the reactants is known as a
(a)
Biocatalyst.
(b)
Homogeneous catalyst.
(c)
Heterogeneous catalyst.
(d)
Organocatalyst.
Transcribed Image Text:The number of chiral carbon atoms in one molecule of the compound: HH OH HOCH₂-C-c-c-c OH OH H CH₂OH is: (a) 5 (b) 4 (c) 3 (d) 2 Crushing a solid into a powder will increase reaction rate because: (a) the particles will collide with more energy (b) the orientation of colliding particles will be improved the activation energy barrier will be lowered (c) (d) the powdered form has more surface area. Which of the following structural formulae correctly represents this molecule: 2,2,4-trimethylheptane? (a) CH3C(CH3)2CH₂CH(CH3)CH₂CH₂CH3 (b) CH3CH2C(CH3)2CH(CH3)CH₂CH2CH3 (c) CH3C(CH3)2CH₂CH(CH3CH₂CH₂CH₂CH3 (d) CH3CH(CH3)CH(CH3)CH(CH3)CH₂CH3 This reaction below: CH₂CH₂ + HBr CH3CH₂Br is an example of what kind of a chemical reaction? (a) Electrophilic Addition (b) Electrophilic Substitution (c) Elimination Condensation (d) Which one of the following is the correct bond angle between atoms adopting a trigonal planar geometry? (a) 180° (b) 109.5° (c) 90⁰ (d) 120° A catalyst which is in a different phase as the reactants is known as a (a) Biocatalyst. (b) Homogeneous catalyst. (c) Heterogeneous catalyst. (d) Organocatalyst.
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