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Lewis Dot Structures: Exceptions Solutions Library

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Lewis Dot Structures: Exceptions

Q. 1. In which of the following is it necessary to use an expanded octet to represent a Lewis structure that has zero formal charges on the central at...

Solved • Feb 9, 2021

Lewis Dot Structures: Exceptions

Q. Identify the compound with atoms that have an incomplete octet.A) BF3B) ICl5C) CO2D) COE) Cl2

Solved • Jan 27, 2021

Lewis Dot Structures: Exceptions

Q. Which compound is likely to have an incomplete octet?a.CH4b.PF5c.NO2d.SiO2

Solved • Oct 23, 2020

Lewis Dot Structures: Exceptions

Q. Which of the following molecules contains an atom with an expanded octet?a. XeF2b. GaCl3c. ONF3d. SeO2F2

Solved • Oct 23, 2020

Lewis Dot Structures: Exceptions

Q. Consider the following four molecules. Which of these satisfy the octet rule and which do not?Drag the appropriate items to their respective bins.A...

Solved • Jul 2, 2020

Lewis Dot Structures: Exceptions

Q. Decide if the compound/ion listed can satisfy the octet rule(duet rule for H), if so choose satisfies Octet Rule from the dropdown menu. If the com...

Solved • Jun 16, 2020

Lewis Dot Structures: Exceptions

Q. The nitric oxide molecule, NO, readily loses one electron to form the NO+ ion. Why is this consistent with the electronic structure of NO?

Solved • Apr 30, 2020

Lewis Dot Structures: Exceptions

Q. Each of the following structures is invalid. Identify the error in each case.octet-rule violationwrong electron total

Solved • Mar 25, 2020

Lewis Dot Structures: Exceptions

Q. A valid Lewis structure of _____ cannot be drawn without violating the octet rule. A) NF3 B) BeH2C) SO2D) CF4E) SO32-

Solved • Mar 20, 2020

Lewis Dot Structures: Exceptions

Q. A valid Lewis structure of _____ cannot be drawn without violating the octet rule. A) NI3 B) SO2C) ICl5D) SiF4E) CO2

Solved • Mar 20, 2020

Lewis Dot Structures: Exceptions

Q. A valid Lewis structure of _____ cannot be drawn without violating the octet rule.a. NF3b. BeH2c. SO2d. CF4e. SO32-

Solved • Aug 2, 2019

Lewis Dot Structures: Exceptions

Q. A valid Lewis structure of _____ cannot be drawn without violating the octet rule.a. NI3b. SO2c. ICl5d. SiF4e. CO2

Solved • Aug 2, 2019

Lewis Dot Structures: Exceptions

Q. Write a Lewis structure and identify the octet-rule exception for each of the following: (select "expanded octet" or "electron deficient octet")A. ...

Solved • Jul 10, 2019

Lewis Dot Structures: Exceptions

Q. SF6, ClF5, and XeF4 are three compounds whose central atoms do not follow the octet rule. Draw Lewis structures for these compounds.

Solved • Nov 27, 2018

Lewis Dot Structures: Exceptions

Q. Although I3- is known, F3- is not.One of your classmates says F3- does not exist because it would violate the octet rule. Is this classmate possibl...

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Which of these compounds is an exception to the octet rule: carbon dioxide, water, ammonia, phosphorus trifluoride, or arsenic pentafluoride?

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Which of these compounds or ions is an exception to the octet rule rule: borohydride (BH4–), borazine (B3N3H6, which is analogous to benzene with a...

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Consider the following XF4 ions: PF4–, BrF4–, ClF4+, and AlF4–. Which of the ions have more than an octet of electrons around the central atom?

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Write a Lewis structure for each of the following molecules that are exceptions to the octet rule.BBr3

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Explain why Br3– and I3– are stable, while F3– is not.

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Free radicals are important in many environmentally significant reactions (see the Chemistry in the Environment box on free radicals in Chapter 9 i...

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Write Lewis structures for each of the following species. Use expanded octets as necessary.I3–

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Which molecule would you expect to be a free radical?(a) CO(b) CO2(c) N2O(d) NO2

Solved • Nov 12, 2018

Lewis Dot Structures: Exceptions

Q. Chlorine dioxide gas (ClO2) is used as a commercial bleaching agent. It bleaches materials by oxidizing them. In the course of these reactions, the...

Solved • Oct 31, 2018

Lewis Dot Structures: Exceptions

Q. These species do not obey the octet rule. Draw a Lewis structure for each, and state the type of octet-rule exception:(c) SbF4−

Solved • Oct 28, 2018

Lewis Dot Structures: Exceptions

Q. These species do not obey the octet rule. Draw a Lewis structure for each, and state the type of octet-rule exception:(a) PF6−

Solved • Oct 28, 2018

Lewis Dot Structures: Exceptions

Q. These species do not obey the octet rule. Draw a Lewis structure for each, and state the type of octet-rule exception: (b) AsF4 −

Solved • Oct 28, 2018

Lewis Dot Structures: Exceptions

Q. Which of the following contains an atom that does not obey the octet rule?a. KBrb. CO2c. ClF3d. ICl

Solved • Mar 23, 2018

Lewis Dot Structures: Exceptions

Q. Which of these satisfy the octet rule and which do not? Drag the appropriate items to their respective bins.

Solved • Feb 15, 2018

Lewis Dot Structures: Exceptions

Q. Write a Lewis structure for each of the following molecules that are exceptions to the octet rule.BBr3       NO     ClO2    

Solved • Dec 18, 2017

Lewis Dot Structures: Exceptions

Q. Draw the Lewis structure of ClO 2 with minimized formal charge. Which atom does not have 8 valence electrons.

Solved • Dec 14, 2017

Lewis Dot Structures: Exceptions

Q. Consider the following four molecules: CO32-, PF5, CS2, BBr3.Which of these satisfy the octet rule and which do not? 

Solved • Sep 22, 2017

Lewis Dot Structures: Exceptions

Q. Consider the following moleculesI. BCl3        II. CHBr3 (C is the central atom)      III. Cl2        IV. XeBr2          V. COThese molecules do no...

Solved • Jul 10, 2017

Lewis Dot Structures: Exceptions

Q. Which of the following species is a radical?CH2OHCNHClOClONO2ClO

Solved • Jul 10, 2017

Lewis Dot Structures: Exceptions

Q. Consider the following set of molecules:I). BF3      II). CHBr3 (central atom is C)     III). Br2      IV). XeCl2       V). CO      VI). SF4Select ...

Solved • Jun 19, 2017

Lewis Dot Structures: Exceptions

Q. Which of the following molecules does NOT contain an exception to the octet rule?A. SF4B. NOC. BH3D. XeF2E. N2O

Solved • May 29, 2017

Lewis Dot Structures: Exceptions

Q. Which of the species NO, BrO, CH3+, BF4– are radicals?1. NO and BrO only2. BrO and CH3+ only3. BrO and BF4+ only4. NO, CH3+ and BF4– only5. NO and ...

Solved • Aug 16, 2016

Lewis Dot Structures: Exceptions

Q. Molecules of which compounds violate the octet rule?a) 1 and 2b) 1 and 3c) 2 and 3d) 2 and 4

Solved • May 6, 2016

Lewis Dot Structures: Exceptions

Q. Which one of the following Lewis structures is definitely incorrect? 

Solved • Mar 9, 2016

Lewis Dot Structures: Exceptions

Q. In which one of the following compounds can a valid Lewis structure be drawn but it is permissible for the central atom to violate the octet rule?a...

Solved • Feb 18, 2016

Lewis Dot Structures: Exceptions

Q. Which compounds violate the octet rule? (Be sure to draw all the structures before you decide!)NO2     CH2Cl2     XeF4     NCl3a. NO2 and XeF4b. NO...

Solved • Feb 17, 2016