Which of the following descriptions of a sigma bond (according to valence bond theory) is NOT CORRECT? Select one: OA. A sigma bond is formed when two adjacent, parallel p orbitals overlap along their sides. O B. When a sigma bond is formed, a shared electron pair lies on the bond axis of adjacent, bonded atoms. OC. A sigma bond is formed between adjacent atoms when hybrid orbitals, co-linear with the bond axis, overlap. O D. A sigma bond is formed when an s orbital overlaps with a hybrid orbital.

Which of the following descriptions of a sigma bond (according to valence bond theory) is NOT CORRECT? Select one: OA. A sigma bond is formed when two adjacent, parallel p orbitals overlap along their sides. O B. When a sigma bond is formed, a shared electron pair lies on the bond axis of adjacent, bonded atoms. OC. A sigma bond is formed between adjacent atoms when hybrid orbitals, co-linear with the bond axis, overlap. O D. A sigma bond is formed when an s orbital overlaps with a hybrid orbital.

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter1: Bond Angles And Shape

Section: Chapter Questions

Problem 12CTQ: Consider the following flat drawing of methane (CH4) . a. What is HCH bond angle implied by this...

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Consider the following flat drawing of methane (CH4) . a. What is HCH bond angle implied by this drawing if you assume it is flat? b. Are the electron domains of this flat CH4 spread out as much as possible? c. Use model materials to make a model of CH4 (methane). If you assembled it correctly, thefour bonds (bonding electron domains) of your model will be 109.5° apart. d. In which representation, the drawing above or the model in your hand (circle one) are theH’s of CH4 more spread out around the central carbon? e. Confirm that your model looks like the following drawing. The wedgebond represents a bond coming out of the page, and the dash bondrepresents a bond going into the page f. You will often see methane drawn as if it were flat (like on the previous page). Why is thismisleading, and what is left to the viewer’s imagination when looking at such a drawing?
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