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Concept explainers
(a)
Interpretation:
The bond angle in
Concept Introduction:
Determination of shape using VSEPR theory:
- 1) The Lewis structure of the molecule is drawn.
The representation of valence shell electrons around the atom is known as Lewis structure or Lewis dot structure. Electrons are represented as a dot in Lewis structures, a single dot represents unpaired electron and paired of dots represents paired electrons.
- 2) The electron pairs surrounding the central atom are counted and the electron pairs are arranged with minimum repulsion. Thus arrangements of electron pairs are determined.
- 3) The positions of other atoms are determined.
- 4) The molecular structure is then identified.
From the shape of the molecule, the bond angle can be identified.
(b)
Interpretation:
The bond angle in
Concept Introduction:
Refer part (a).
(c)
Interpretation:
The bond angle in
Concept Introduction:
Refer part (a).
(d)
Interpretation:
The bond angle in
Concept Introduction:
Refer part (a).
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Chapter 11 Solutions
FOUND.OF COLLEGE CHEMISTRY
- Predict the electron pair geometry and the molecular structure of each of the following molecules or ions:(a) SF6(b) PCl5(c) BeH2(d) CH3+arrow_forwardHow many nonbonding pairs (or lone-pairs) of electrons are found on the central atom in the Lewis structure of XeF2 molecule? (A) 0 (B) 1 (C) 2 (D) 3arrow_forwardThe Lewis structure of BH2Cl (a) Is the molecule polar or nonpolar? (b) What is the hybridization of the carbon atom? (c) What is the geometric shape of the molecule?arrow_forward
- Which of these molecules has a linear molecular geometry and the molecule is polar? (A) CO2 (B) Cl2O (C) N2O (D) SO2arrow_forwardWhat are the electron-pair geometry and the molecular structure of each of the following molecules or ions?(a) ClF5(b) ClO2−(c) TeCl42−(d) PCl3(e) SeF4(f) PH2−arrow_forwardPredict the electron pair geometry and the molecular structure of each of the following ions:(a) H3O+(b) PCl4−(c) SnCl3−(d) BrCl4−(e) ICl3(f) XeF4(g) SF2arrow_forward
- Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following:(a) SO₄²⁻(b) NO₂⁻(c) PHarrow_forwardDraw the Lewis structures for CO2 and CO, and predict the number of σ and π bonds for each molecule.(a) CO2(b) COarrow_forwardDraw the Lewis structures and predict the shape of each compound or ion:(a) CO2(b) NO2−(c) SO3(d) SO32−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_forward5. (a) Draw and name the molecular shape for SeCla molecule. [2] (b) Explain the polarity of selenium tetrachloride, SeCla. [3]arrow_forwardSemustine is a chemotherapy drug, and exerts it's anticancer activity by damaging the DNA of the cancer cells. Predict the approximate bond angle, (c) in Semustine and the molecular geometry of the indicated oxygen (a) and nitrogen (b) atoms. (a) NH (c) CH (b) Semustine NINAarrow_forward
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