Concept explainers
Interpretation:
The anions
Concept Introduction:
In any polar covalent bond, the difference in electronegativities gives rise to partial positive and negative charges respectively on the cation and anions.
The covalent character is determined with respect to the relative extent of distortion of anionic cloud of anion. For instance, highly charged small alkali metal cation such as
In general, greater is the charge on the alkali metal cation or smaller is the size of cation more is its polarizing power to distort the electron cloud of anion. Likewise greater is the polarizability of anion more easily its electron cloud is distorted by a cation.
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
CHEMICAL PRINCIPLES (LL) W/ACCESS
- Indicate which molecules are polar and which are nonpolar. (a) SeO2 (b) N2O (N is the central atom) (c) SCl4arrow_forwardSelenium tetrafluoride, SeF₄, is a colorless liquid that is used as a fluorinating reagent in organic synthesis. Based on your Lewis structure for SeF₄, how many electron domains are on the central atom?arrow_forwardIs SiO32- polar or nonpolar?arrow_forward
- Draw the Lewis structure of C2H4CI2 (both Cl atoms on one C atom) and then determine if the molecule is polar or nonpolar.arrow_forwardAlthough carbon has four bonds in stable molecules, sometimes reactive carbon intermediates that contain carbon atoms without four bonds are formed for very short time periods. Examples of these unstable intermediates include the methyl carbocation (CH 3) + and the methyl carbanion (CH 3) −. Draw Lewis structures for both unstable ions and predict the shape around carbon.arrow_forward1- The following chemical reaction takes place in an aqueous solution: FeBr2 (aq) + 2KOH (aq) → Fe(OH)2 (s) + 2KBr (aq) Write the net ionic equation for this reaction. 2- Draw the Lewis structure for ethane (C2H6). Be certain you include any lone pairs. 3-Predict the products of the reaction below. That is, complete the right-hand side of the chemical equation. Be sure your equation is balanced. HBr + Ca(OH)2 → 4-A chemistry student needs 25.0 g of methyl acetate for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of methyl acetate is 0.934 g *cm-3. Calculate the volume of methyl acetate the student should pour out. Be sure your answer has the correct number of significant digits. ____________mL 5- NASA communicates with the Space Shuttle and International Space Station using Ku-band microwave radio. Suppose NASA transmits a microwave signal to the Space Shuttle using radio…arrow_forward
- Arrange the following bonds in order of decreasing polarity: C − C, C − H, C − N, C − O, C − S. State the element that is the negative pole in each. You may refer to Figure 12.15arrow_forwardConsider an iodine tetrafluoride cation (IF4+): What is the elemental symbol of its central atom? How many valence electrons does this molecule contain? How many lone electron pairs surround the central atom? How many regions of electron density surround the central atom? For remaining items in this question, place the appropriate letter in the box: What is the electron geometry of this molecule? A = linear B = trigonal planar C = tetrahedral D = trigonal bipyramidal E = octahedral What is the molecular shape of this molecule? A = tetrahedral B = trigonal pyramid C = bent or angular D = T-shape E = Sawhorse or seesaw Is this a polar molecule? A = Yes B = No What is the hybridization of the central atom? A = sp B = sp2 C = sp3 D = sp3d E = sp3d2arrow_forwardSilicones are polymeric compounds containing, among others, the following types of covalent bonds: Si–O, Si–C, C–H, and C–C. Using the electronegativity values as shown, arrange the bonds in order of increasing polarity and designate the positive and negative atoms using the symbols δ+ and δ–.arrow_forward
- Answer the questions in the table below about the shape of the phosphorus tetrachloryl (PCI4 ) cation. How many electron groups are around the central phosphorus atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. olo What phrase best describes the arrangement of these electron groups around the central phosphorus atom? (You may need to use the scrollbar to see all the choices.) (choose one) Ar Explanation Check O 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibilityarrow_forwardDraw the Lewis structures for each compound and then identify which one is polar. CH₂O CO₂ C₂H4 C2H2arrow_forwardConsider peroxynitrite (chemical formula: ONOO−), a structural isomer of the nitrate anion. It is generated in the cell when nitric oxide (NO) reacts with the superoxide radical anion (O2-.). Peroxynitrite is a potent oxidant and nitrating agent and can lead to DNA and protein damage (this is the complete question) Draw the correct Lewis structure for peroxynitrite and indicate approximate bond angles. Tell how many molecular degrees of freedom of motion are present in peroxynitrite and what motions they correspond to.arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning