Organic Chemistry 8th Edition Test Bank By L. G. Wade

1) An orbital can be described by its ________, which is the mathematical description of the shape of the electron wave as it oscillates. Answer: wave function Diff: 1 Section: 2.1 2) The electron density at any point is proportional to the ________ of the electron wave at that point. Answer: square of the wave function Diff: 2 Section: 2.1 Description CART I N S T A N T L Y A C C E S S T H E T E S T B A N K … 3) Which atomic orbital combination would result in a molecular sigma bond? 1. A) 2. B) 3. C) 4. D) Answer: B Diff: 1 Section: 2.2 4) Two p orbitals can overlap to form a s molecular orbital. How many nodes are present in this s molecular orbital? 1. A) 0 2. B) 1 3. C) 2 4. D) 3 Answer: C Diff: 1 Section: 2.2 5) Two p orbitals can overlap to form a s* molecular orbital. How many nodes are present in this s* molecular orbital? 1. A) 0 2. B) 1 3. C) 2 4. D) 3 Answer: D Diff: 1 Section: 2.2 CART I N S T A N T L Y A C C E S S T H E T E S T B A N K … 6) When orbitals on different atoms interact, ________ are produced. Answer: molecular orbitals Diff: 1 Section: 2.2 7) What kind of molecular orbital (σ, σ*, π, or π*) results when the two atomic orbitals shown below interact in the manner indicated? Answer: σ* Diff: 2 Section: 2.2 8) What kind of molecular orbital (σ, σ*, π, or π*) results when the two atomic orbitals shown below interact in the manner indicated? Answer: σ Diff: 2 Section: 2.2 9) What kind of molecular orbital (σ, σ*, π, or π*) results when the two atomic orbitals shown below interact in the manner indicated? Answer: σ* Diff: 2 Section: 2.2 CART I N S T A N T L Y A C C E S S T H E T E S T B A N K … 10) How many carbon-carbon σ bonds are present in the molecule shown? 1. A) 1 2. B) 2 3. C) 3 4. D) 4 5. E) 5 Answer: E Diff: 2 Section: 2.2 11) How many carbon-carbon s bonds are present in the molecule shown?