Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN: 9780618974122
Author: Andrei Straumanis
Publisher: Cengage Learning
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Chapter 1, Problem 5CTQ
Interpretation Introduction
Interpretation:
The number of electrons present in a triple bond should be determined.
Concept Introduction:
The attraction or forced which hold group of atoms, ions or molecules together and results in the formation of chemical compounds is known as
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Our class has just touched on molecular shapes/geometries and the last HW question contains this Nitrogen atom with a + formal charge. How would the VSEPR Molecular Shape look like? Also, If the same number of bonds and charge were kept and the Nitrogen was swapped with a Carbon, would both shapes be the same?
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Look at figure 3-22 that shows the electron density that occurs abound the Si-O bond. This electron density map gives the "shape" of the O and Si atoms when they are bonded together. Think about the answer in Q9 and choose the best response below:
(Select answer choice)
a. This figure shows that the Si and O atoms, when they bond together, do not form spheres, which is due to the fact that the Si-O bond is strongly covalent and these shared electrons affect atomic shape. This change in shape limits the applicability of Pauling's Coordination principle since that principle is based on the geometry of perfect spheres.
b. This figure shows that the Si and O atoms, when they bond together are close to perfect spheres, which is due to the fact that the Si-O bond is strongly covalent. This figure shows that Pauling's Coordination principle should apply very precisely to any substance that contains Si-O bonds
c. This figure shows that the Si and O atoms, form in a…
Problem Draw a Lewis structure and identify the octet-rule exception for (a) H3PO4 (draw two resonance forms and select the more important); (b) BFCl2.Plan We draw each Lewis structure and examine it for exceptions to the octet rule.(a) The central atom is in Period 3, so it can have more than an octet.(b) The central atom is B, which can have fewer than an octet of electrons.
Chapter 1 Solutions
Organic Chemistry: A Guided Inquiry
Ch. 1 - (E) What does the number (+Z) at the center of...Ch. 1 - Prob. 2CTQCh. 1 - Prob. 3CTQCh. 1 - Prob. 4CTQCh. 1 - Prob. 5CTQCh. 1 - Prob. 6CTQCh. 1 - Prob. 7CTQCh. 1 - You hear a student from a nearby group say that...Ch. 1 - Use VSEPR to explain why the HBH bond angle of BH3...Ch. 1 - Both the HCH and HCO bond angles of H2CO...
Ch. 1 - Prob. 11CTQCh. 1 - Consider the following flat drawing of methane...Ch. 1 - Use VSEPR to assign a value of (close to) 109.5,...Ch. 1 - A student draws the picture of ammonia (NH3) in...Ch. 1 - Prob. 15CTQCh. 1 - How many central atoms does the molecule H2NCH3...Ch. 1 - Indicate the bond angle and shape about each...Ch. 1 - Explain how there can be two kinds of bent:...Ch. 1 - A student makes the following statement: “The...Ch. 1 - A student who missed this class needs to know how...Ch. 1 - Prob. 1ECh. 1 - Prob. 2ECh. 1 - Consider the incomplete valence shell...Ch. 1 - How many valence electrons does a neutral a. K...Ch. 1 - Consider the molecules AlCl3 (aluminum chloride)...Ch. 1 - Draw an example of a bent molecule with a bond...Ch. 1 - Label each atom marked with an arrow with the...Ch. 1 - a model of each of the following molecules: a....
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- Indicate if the bond is polar or nonpolar (in box). If non-polar write non-polar, If polar, show direction of dipole.arrow_forwardTake pictures of each step of the procedure while you are performing the experiment. Submit the complete table below and the pictures of your "toothpick-marshmallow" models indicating polarity (or not) of each molecule. Total Draw Lewis Structure How many electron How many of What is the SHAPE of humber of (follow steps): the electron the electron regions? valence groups are groups are Molecular electrons there around lone pairs? formula: (TVE): the central What is the SHAPE of atom? the molecule? 1. H2S 2. HCF3 1. (carbon is the central atom; all of the other 2. atoms are attached to C) OBR2arrow_forward3. The following shows all resonance structures for the following molecule. a. Draw in all implied lone pairs. b. Draw in curved arrows that show the flow of electrons, making sure the arrows show the precise starting point and destination of the electrons. Label each arrow as: lp →→→л (p=lone pair) c. d. Rank the resonance structures from most stable to least based on the number of formal charges and atoms that lack an octet of electrons. ol-of-o. B A D d-d-d-o E C F Garrow_forward
- H-N=C-N-H 1 Draw the major contributing structure with formal charge(s) below. If there are electrons around any of the atoms ignore them for now. The details will be addressed in the next section. Draw Your Solution Now specify the number of electrons in lone pairs around the specified atoms in the contributing structure that was drawn. The atom labels correspond to the atom labels on the structure in the question. N1 has 2 N2 has C1 and C C3 and C C5 and C H In the contributing structure, the double bonds are placed between: C1 has C2 has C3 has C4 has C5 has C6 has electron(s). electron(s). Now specify the number of electrons in lone pairs around the specified atoms in the contributing structure. The atom labels correspond to the atom labels on the structure in the question. New WP Integrat...pdf electron(s). electron(s) electron(s). electron(s). electron(s). electron(s)arrow_forwardComplete Table 3 (Remember that the values pertain to the Central atoms only. In this table, you will have more than one central atom so report more than one value, ie. 3 / 3) Table 3 Molecules with Multiple Central Atoms Molecule C2H4 H2O2. CH3OH. CH3NH2 Number of Bond Pairs / / / / Number of Lone Pairs / / / / Number of Electron Domains / / / / Molecular Geometry (Shape) / / / / Bond Angle / / / / Polar or Non-Polar Nonpolar Polar Polar Polararrow_forwardIn the following Lewis structure of [BrO3]", every atom, bond and lone pair is positioned. To complete the structure, drag the formal charge tags to the appropriate atom(s). Each marker may be used more than once, or not at all. If an atom has a formal charge of zero, do not drag a tag to it. When you drag the marker in, place the little crosshairs in the upper left corner of the marker directly over the atom(s) in question (not above them). Ö: Br: 2+ 2-arrow_forward
- The next part of the problem is to draw the resonance hybrid. (Exclude formal charges) I’m not sure where to put the dotted resonance lines of the hybrid structure.arrow_forwardConsider the Lewis structure shown for thionitromethane. Draw the major resonance structure for the compound shown; include lone pairs of electrons, formal charges, and condensed hydrogen atoms (located in the More menu). Then draw curved arrows to show how this can be converted to the Lewis structure given.arrow_forwardIV. Write the resonance structure that would result from moving the electrons in the way indicated by the curved arrows. Submit your answer as assignment. H2Narrow_forward
- (e) Chemical bonds can also be classified as single or ______________ according to the number of ___________________.arrow_forwardDraw a resonance structure of the compound shown below, called 2-heptanone, which is found in some kinds of cheese. en Draw curved arrow(s) on the initial structure to show the expected resonance. Modify the second structure given to draw a new resonance structure, including any relevant formal charges. Use the + and - tools to add/remove charges to an atom, and use the single bond tool to add/remove double bonds. H3C CH3 Edit Drawing H3C CH3arrow_forwardWhich elements on the periodic table (other than H) are likely to form a+1 cation?arrow_forward
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