Which statement about bond energies is false?
A) A carbon-carbon multiple bond requires less energy to break than a carbon-carbon single bond.
B) The carbon-carbon bonds in an alkane have very similar bond energies.
C) It is assumed that a carbon-hydrogen bond has the same bond energy whether it is found in an alcohol or an alkane.
D) The formation of a carbon-oxygen double bond from the unbonded atoms yields more energy than the formation of a carbon-oxygen single bond from the unbonded atoms.
E) Bond energy calculations require no knowledge of the bond polarity but they do require knowledge of the bond multiplicity and the average bond energies.
Correct Answer:
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Q19: Which molecule contains a triple bond?
A) C2H4
B)
Q20: Assume all hydrocarbons given are linear. Which
Q21: Predict the relative bond lengths of the
Q23: Which of the following compound can exhibit
Q24: Which bond is least polar?
A) C-C
B) C-N
C)
Q25: Which bond is longest?
A) C-O
B) C-P
C) C-H
D)
Q26: Assume all hydrocarbons given are linear. Which
Q27: Which bond is strongest?
A) carbon-nitrogen triple bond
B)
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