Concept explainers
Interpretation: The Lewis structures for SO, F2O, BF3NH3, CH3OH2+, Cl2C=O, CN- and C22- should be drawn.
Concept introduction: Lewis dot structure is the representation which shows the bonding between atoms present in a molecule. It shows lone pairs and bond pairs that exist on each bonded atom.
Lewis dot structure is also known as Lewis dot formula or electron dot structure. The bond formation between the atoms takes place due to the sharing of valence electrons of bonded atoms while the remaining electrons present in outer shell represented as lone pair of electrons. To draw the Lewis structure, calculate the total number of valence electrons in each atom and draw the structure in such a way that each atom gets its octet configuration.
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Organic Chemistry: Structure and Function
- Draw Lewis symbols for the following ions. a. O2 b. S2 c. Si4 d. Clarrow_forwardA gaseous compound has the following composition by mass: C, 25.0%; H, 2.1%; F, 39.6%; 0. 33.3%. Its molecular mass is 96.0 amu. Write the Lewis formula for the molecule.arrow_forwardA liquid compound used in dry cleaning contains 14.5% C and 85.5% Cl by mass and has a molecular mass of 166 amu. Write the Lewis formula for the molecule.arrow_forward
- Draw Lewis structures for the following species. (The skeleton is indicated by the way the molecule is written.) (a) Cl2CO (b) H3CCNarrow_forwardAcetyl chloride, CH₃C(O)Cl, is used as a reagent for the acylation of salicylic acid in the synthesis of aspirin. Draw the Lewis structure of CH₃C(O)Cl (with minimized formal charges) and then determine if the molecule is polar or nonpolar. +arrow_forwardWhat possible error(s) exist in the Lewis structure (assume we are trying to represent the best possible Lewis structure for the NO₂S ion knowing N is the central atom in this polyatomic ion)? [:ö==S: N= CO :O: The best structure would have double bond and two lone pairs on each oxygen atom and a single bond with three lone pairs on the sulfur. There are no errors. This is the best possible structure. The Lewis structure above does not minimize formal charges, thus is the not the best possible structure. The nitrogen atom has an expanded octet, and this structure is impossible. The Lewis structure contains the wrong number of electrons, thus this structure is impossible.arrow_forward
- Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure :01C10: :0—C HIC=N :0: || HIC-H O Is the proposed Lewis structure reasonable? Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* 0 Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* * If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "0,0".arrow_forwardWrite the Lewis symbol for atoms of each of the following elements:(a) Al, (b) Br, (c) Ar, (d) Sr.arrow_forwardFour atoms are arbitrarily labeled D, E, F, and G. Their electronegativities are as follows: D = 3.8, E = 3.3, F = 2.8, and G = 1.3. If the atoms of these elements form the molecules DE, DG, EG, and DF, how would you arrange these molecules in order of increasing covalent bond character?arrow_forward
- Write Lewis dot symbols for (a) Ca2+, (b) N3−, and (c) I −.arrow_forwardThe compounds ethyne, ethene and ethane contain, respectively, C≡C, C=C and C–C bonds. What is the expected sequence of carbon–carbon bond lengths and bond enthalpies. Select one: a. Bond lengths: C≡C > C=C > C–C; bond enthalpies: C≡C < C=C < C–C b. Bond lengths: C≡C < C=C < C–C; bond enthalpies: C≡C < C=C < C–C c. Bond lengths: C≡C < C=C < C–C; bond enthalpies: C≡C > C=C > C–C d. Bond lengths: C≡C > C=C > C–C; bond enthalpies: C≡C > C=C > C–Carrow_forwardAn ionic compound used as a chemical fertilizer has the composition (by mass) 48.46% O, 23.45% P, 21.21% N, 6.87% H. Give the name and chemical formula of the compound and draw Lewis diagrams for the two types of ions that make it up.arrow_forward
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