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1 TEST BANK FOR Organic Chemistry 12th Edition by T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder Chapter 1 -25 Package title: Solomons Test Bank Course Title: Solomons 1 2e Chapter Number: 1 Question type: Multiple choice 1) Which of the followi ng best describes the origin of carbon atoms? a) The Big Bang b) amino acids found on meteorites c) byproduct of chemical fusion in stars d) gradual decay of radioactive isotopes of nitrogen e) All of these choices. Answer: C Topic: General Section: 1.1 Difficulty Level: Easy 2) Credit for the first synthesis of an organic compound from an inorganic precursor is usually given to ___. a) Berzelius b) Arrhenius c) Kekule d) Wöhler e) Lewis Answer: D Topic: General Section: 1.1 Difficulty Level: Easy 2 3) The greatest degree of ionic character is anticipated for the bond between a) H and C . b) H and Cl . c) C and Cl . d) H and Br . e) Br and Cl . Answer: B Topic: Atomic Orbitals, Periodic Trends, Electronegativity Section: 1. 3 Difficulty Level: Easy 4) Select the least electronegative element from the list below. a) P b) N c) Mg d) Si e) K Answer: E Topic: Periodic Trends, Electronegativity Section: 1. 3 Difficulty Level: Easy 5) Select the most electronegative e lement from the list below. a) H b) O c) N d) B e) C Answer: B Topic: Periodic Properties, Electronegativity Section: 1. 3 Difficulty Level: Easy 3 6) Which of these substances contain both covalent and ionic bonds? a) NH 4Cl b) H 2O2 c) CH 4 d) HCN e) H 2S Answer: A Topic: Bonding Section : 1.3 Difficulty Level: Medium 7) Which type of bonding is present in the compound CH 3Li? a) Ionic bonding b) Covalent bonding c) Hydrogen bonding d) Ionic and covalent bonding e) Ionic , covalent , and hydrogen bonding Answer: D Topic: Bonding Section 1.3 Difficulty Level: Medium 8) Which of the following is the Lewis structure for CH 3CH 2O2H? a) b) c) d) e) None of these choices. HCC
HHH
OO
HH
HCO
HH
COHH
HCC
HHO
OH
HH
HCO
HH
COHH
H 4 Answer: A Topic: Lewis Structures Section: 1. 4 Difficulty Level: Medium 9) In which of the following does the c entral atom have 2 pairs of non -bonding electrons? a) O 3 b) CO 2 c) CO 32– d) NH 4+ e) H 2S Answer: E Topic: Lewis Structures Section: 1. 4 Difficulty Level: Medium 10) Which is NOT a correct Lewis structure? a) N H F
H..
..: b) C H F
HH
:..
.. c) O H O..
..H..
.. d) OBOO
....
::..
..HH
H e) None of these choices. Answer: A Topic: Lewis Structures, Formal Charges Section: 1. 4 Difficulty Level: Medium
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