Chapter 9, Problem 13a

(a) An AB2 molecule is linear. How many nonbonding electron pairs are around the A atom from this information?

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Hi everyone here. We have a question telling us that a B two is a molecule with linear geometry, and the question is how many non bonding domains are attached to the central atom A. To have a B. two and to have a linear geometry. Our molecule would have to be a X two E three, which means that A. Is surrounded by two atoms and three non bonding electron pairs. So our answer here is a three. Thank you for watching. Bye.

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Textbook Question

The drawing below shows the overlap of two hybrid orbitals to form a bond in a hydrocarbon. (b) Which of the following could be the identity of the hydrocarbon: (i) CH4, (ii) C2H6, (iii) C2H4, or (iv) C2H2?

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Textbook Question

The molecule shown below is called furan. It is represented in typical shorthand way for organic molecules, with hydrogen atoms not shown, and each of the 4 vertices representing a carbon atom.

(e) The C¬C¬C bond angles in furan are much smaller than those in benzene. The likely reason is which of the following: (i) The hybridization of the carbon atoms in furan is different from that in benzene, (ii) Furan does not have another resonance structure equivalent to the one above, or (iii) The atoms in a five-membered ring are forced to adopt smaller angles than in a six-membered ring.

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The following is part of a molecular orbital energy-level diagram for MOs constructed from 1s atomic orbitals.

(a) What labels do we use for the two MOs shown?

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(b) How many nonbonding electrons surround the Xe in XeF2?

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Textbook Question