Ion E Lewis structure Hybridization [H;O]* Number of valence Number of o and n electrons bonds O: Number of bonded atoms Molecular shape on central atom Number of lone pairs on central atom Bonded-atom lone- Polarity pair arrangement Central atom Bond angles Bond order steric number O-H: Molecule F Lewis structure Hybridization BRNS Number of valence Number of o and n electrons bonds 0: Number of bonded atoms Molecular shape on central atom Bonded-atom lone- Number of lone pairs on central atom Polarity pair arrangement Central atom Bond angles Bond order steric number N-Br: N-S:

Ion E Lewis structure Hybridization [H;O]* Number of valence Number of o and n electrons bonds O: Number of bonded atoms Molecular shape on central atom Number of lone pairs on central atom Bonded-atom lone- Polarity pair arrangement Central atom Bond angles Bond order steric number O-H: Molecule F Lewis structure Hybridization BRNS Number of valence Number of o and n electrons bonds 0: Number of bonded atoms Molecular shape on central atom Bonded-atom lone- Number of lone pairs on central atom Polarity pair arrangement Central atom Bond angles Bond order steric number N-Br: N-S:

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter7: Chemical Bonding And Molecular Structure

Section: Chapter Questions

Problem 7.84PAE

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Similar questions

For each of the following molecules or molecular ions, give the steric number, sketch and name the approximate molecular geometry, and describe the direction of any distortions from the approximate geometry due to lone pairs. In each case, the central atom is listed first and the other atoms are all bonded directly to it. (a) TeH2 (b) AsF3 (c) PCl4+ (d) XeF5+
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?
Discuss the nature of the bonding in the nitrite ion (NO2) . Draw the possible Lewis resonance diagrams for this ion. Use the VSEPR theory to determine the steric number, the hybridization of the central nitrogen atom, and the geometry of the ion. Show how the use of resonance structures can be avoided by introducing a de-localized MO. What bond order does the MO model predict for the NO bonds in the nitrite ion?
Calcium carbide (CaC2) is an intermediate in the manufacturing of acetylene (C2H2) . It is the calcium salt of the carbide (also called acetylide) ion (C22) . What is the electron configuration of this molecular ion? What is its bond order?
Benzene is one of the compounds used as an octane enhancer in unleaded gasoline. It is manufactured by the catalytic conversion of acetylene to benzene: 3C2H2C6H6 Draw Lewis structures for these compounds, with resonance structures as appropriate, and determine the hybridization of the carbon atoms in each.
The uracil molecule is one of the bases in DNA. Estimate the approximate values of the indicated bond angles. Its skeleton (not its Lewis structure) is given below.
Niacin is one of the B vitamins (B3). Estimate the approximate values of the indicated bond angles. Its skeleton (not its Lewis structure) is given below.
Sketch the molecular orbital and label its type ( or , bonding or antibonding) that would be formed when the following atomic orbitals overlap. Explain your labels. a. b. c. d.
A benzene molecule can be modeled as six carbon atoms arrangedin a regular hexagon in a plane. At each carbon atom, one of threeradicals NH2, COOH, or OH can be attached. How many suchcompounds are possible? (Make no distinction between single anddouble bonds between the atoms.)