Concept explainers
(a)
Interpretation:
The
Concept Introduction:
Bond angle is the angle between two bonds of a molecule and it is determined based on the electron-domain geometry.
(a)
Explanation of Solution
Given molecule is
The Lewis electron dot structure for
.
The electron-region geometry of Sulphur atom bonded to two other atoms and two lone pair of electron is tetrahedral. It is a type of
(b)
Interpretation:
The
Concept Introduction:
Refer to (a).
(b)
Explanation of Solution
Given molecule is
The Lewis electron dot structure for
.
The electron-region geometry of central atom bonded to two other atoms is linear. It is a type of
(c)
Interpretation:
The bond angles of
Concept Introduction:
Refer to (a).
(c)
Explanation of Solution
Given molecule is
The Lewis electron dot structure for
.
The electron-region geometry of Carbon atom bonded to three other atoms is triangular planar. It is a type of
The electron-region geometry of second Nitrogen atom bonded to three other atoms and one lone pair of electron is tetrahedral. It is a type of
(d)
Interpretation:
The bond angles of
Concept Introduction:
Refer to (a).
(d)
Explanation of Solution
Given molecule is
The Lewis electron dot structure for
.
The electron-region geometry of carbon atom bonded to four other atoms is tetrahedral. It is a type of
The electron-region geometry of oxygen atom bonded to two other atoms and two lone pair of electron tetrahedral. It is a type of
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Chapter 7 Solutions
OWLV2 FOR MOORE/STANITSKI'S CHEMISTRY:
- 1. Draw the Lewis structures for each of the following ions or molecules. For each, give (i) the molecular shape, (ii) the electron pair geometry at the central atom, and (iii) the hybridization of the central atom. (a) POF3 (b) XeO₂F3+ (c) BrCl₂ (d) N3 (the central atom is N; two other N's are bonded to it) (e) PF3arrow_forwardPredict the electron pair geometry and the molecular structure of each of the following:(a) IOF5 (I is the central atom)(b) POCl3 (P is the central atom)(c) Cl2SeO (Se is the central atom)(d) ClSO+ (S is the central atom)(e) F2SO (S is the central atom)(f) NO2−(g) SiO44−arrow_forward(a) Methane (CH4) and the perchlorate ion (ClO4- ) are bothdescribed as tetrahedral. What does this indicate about theirbond angles? (b) The NH3 molecule is trigonal pyramidal, while BF3 is trigonal planar. Which of these molecules is flat?arrow_forward
- 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 (c) PCI (b) AsF3 (d) XeFarrow_forward(b) The Murchison meteorite that landed in Australia in 1969 contained 92 different amino acids, including 21 found in Earth organism A skeleton structure (single bond only) of one of these extraterrestrial amino acids is shown below. Draw a Lewis structure, and identify any atoms having a nonzero formal charge. H3N. C ČH2 ČH3 (c) Draw the orbital diagrams and Lewis symbols to depict the formation of Na* and CI ions from the atoms. Give the formula of the compound formed. (d) The predicted bond length for HF is 109 pm (the sum of the covalent radii of H, 37 pm and F, 72 pm), however the actual bond length for HF is shorter (92 pm). It was observed that the difference between predicted and actual bond lengths becomes smaller going down the halogen group from HF to HI Describe these observationsarrow_forwardUrea, (NH2)2CO, is used in plastics and fertilizers. It is also the primary nitrogencontaining substance excreted by humans.(a) Which bonds in the molecule are polar, and which are nonpolar?(b) Which is the most polar bond in the molecule? Which atom is the negative end of the bond dipole?arrow_forward
- (a) Use a polar arrow to indicate the polarity of each bond: N¬H, F¬N, I¬Cl. (b) Rank the following bonds in order of increasing polarity and decreasing percent ionic character: H¬N, H¬O, H¬C.arrow_forwardCyanogen (CN)2 is known as pseodohalogen because it has some properties like halogens. It is composed of two CN’s joined together.(i) Draw the Lewis structure for all the possible combination for (CN)2.(ii) Calculate the formal charge and determine which one of the structures that you have drawn is most stable.(iii) For the stable structure, determine the geometry around the two central atoms.(iv) For the stable structure, draw the dipole arrows for the bonds.(v) Base on the stable structure, determine the polarity of molecule and state your reason.arrow_forwardIdentify the electron pair geometry and the molecular structure of each of the following molecules:(a) ClNO (N is the central atom)(b) CS2(c) Cl2CO (C is the central atom)(d) Cl2SO (S is the central atom)(e) SO2F2 (S is the central atom)(f) XeO2F2 (Xe is the central atom)(g) ClOF2+ (Cl is the central atom)arrow_forward
- Nitrogen trifluoride (NF3) is used in the electronics industry to clean surfaces. NF3 is also a potent greenhouse gas. (A) Draw the Lewis structure of NF3 and determine its molecular geometry. (B) BF3 and NF3 both have three covalently bonded fluorine atoms around a central atom. Do they have the same dipole moment? (C) Could BF3 also behave as a greenhouse gas? Explain why or why not.arrow_forwardA common form of elemental phosphorus is the tetrahedralP4 molecule, where all four phosphorus atoms areequivalent:At room temperature phosphorus is a solid. (a) Are there anylone pairs of electrons in the P4 molecule? (b) How manyP¬P bonds are there in the molecule? (c) Draw a Lewisstructure for a linear P4 molecule that satisfies the octet rule.Does this molecule have resonance structures? (d) On thebasis of formal charges, which is more stable, the linear moleculeor the tetrahedral molecule?arrow_forwardA common form of elemental phosphorus is the tetrahedralP4 molecule, where all four phosphorus atoms areequivalent: At room temperature phosphorus is a solid. (a) Are there anylone pairs of electrons in the P4 molecule? (b) How manyP¬P bonds are there in the molecule? (c) Draw a Lewisstructure for a linear P4 molecule that satisfies the octet rule.Does this molecule have resonance structures? (d) On thebasis of formal charges, which is more stable, the linear moleculeor the tetrahedral molecule?arrow_forward
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning