Chemistry Chemistry Practice Problems Solutions Library

Formal Charge Solutions Library

Access 61 Formal Charge video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Formal Charge learn videos.

Browse Solutions

61 solutions

Formal Charge

Q. What is the formal charge on nitrogen in nitric oxide (NO)?

Solved • Nov 18, 2020

Formal Charge

Q. What is the formal charge on the bromine atom in HBr? Use the periodic table as needed.Express the formal charge numerically (e.g., +1).The Lewis s...

Solved • Jul 2, 2020

Formal Charge

Q. What is the formal charge on the hydrogen atom in HBr? Use the periodic table as needed.Express the formal charge numerically (e.g., +1).The Lewis ...

Solved • Jul 2, 2020

Formal Charge

Q. Calculate the formal charge on each of the oxygen (O) atoms labeled a, b, and c in the following Lewis structure.Express your answers as integers s...

Solved • Jul 2, 2020

Formal Charge

Q. The Lewis structure for the chlorate ion isCalculate the formal charge on the chlorine (Cl) atom. Express your answer as an integer.For certain mol...

Solved • Jul 2, 2020

Formal Charge

Q. Part B. Consider the four resonance structures of the phosphate ion:Calculate the average formal charge on a single oxygen atom, such as the one sh...

Solved • Jul 2, 2020

Formal Charge

Q. Choose the best Lewis structure for SeO42-.

Solved • Apr 29, 2020

Formal Charge

Q. In which one of the following structures, as drawn, does the central atom have a formal charge of +2? In which one of the following structures, as ...

Solved • Apr 28, 2020

Formal Charge

Q. Consider these structures.For which structure(s) does the electron-bearing carbon atom have a formal charge of zero?a) methylene onlyb) ethyl radic...

Solved • Apr 23, 2020

Formal Charge

Q. Use formal charge to choose the best Lewis structure for CH3SOCH3. 

Solved • Mar 20, 2020

Formal Charge

Q. What is the formal charge on the doubly bonded O atom (NOT the central atom)?

Solved • Mar 20, 2020

Formal Charge

Q. Use formal charge to choose the best Lewis structure for CH3SO2CH3.

Solved • Mar 20, 2020

Formal Charge

Q. Consider the following proposed Lewis structures for N2O. Choose the best Lewis structure and calculate the formal charge on the O atom in your cho...

Solved • Nov 28, 2019

Formal Charge

Q. One possible structure for OCN – ion is drawn below. What is the formal charge on each atom? a. O atom = 0, C atom = 0, and N atom = 0b. O atom = 0...

Solved • Oct 9, 2019

Formal Charge

Q. Which of the following Lewis structures is the BEST description of the bonding in ozone, O3?

Solved • Sep 26, 2019

Formal Charge

Q. Which of the following structures would we expect for nitrous acid? Determine the formal charges:

Solved • Aug 26, 2019

Formal Charge

Q. Based on formal charge considerations, which of the following would likely be the correct arrangement of atoms in sulfur dioxide: OSO or SOO?

Solved • Aug 26, 2019

Formal Charge

Q. Based on formal charge considerations, which of the following would likely be the correct arrangement of atoms in hypochlorous acid: HOCl or OClH?

Solved • Aug 26, 2019

Formal Charge

Q. Based on formal charge considerations, which of the following would likely be the correct arrangement of atoms in nitrosyl chloride: ClNO or ClON?

Solved • Aug 26, 2019

Formal Charge

Q. Calculate the formal charge on carbon.

Solved • Aug 25, 2019

Formal Charge

Q. Calculate the formal charge on carbon.

Solved • Aug 25, 2019

Formal Charge

Q. What is the charge of oxygen gas?

Solved • Aug 8, 2019

Formal Charge

Q. Use formal charge arguments to explain why CO has a less polar bond than expected on the basis of electronegativity.

Solved • Nov 27, 2018

Formal Charge

Q. Use the formal charge arguments to rationalize why BF3 would not follow the octet rule.

Solved • Nov 27, 2018

Formal Charge

Q. Consider the Lewis structure shown below.Does the Lewis structure depict a neutral molecule or an ion?

Solved • Nov 12, 2018

Formal Charge

Q. Which of the Lewis structures for NO is dominant based on analysis of the formal charges?

Solved • Nov 12, 2018

Formal Charge

Q. Using formal charges, which of these three resonance forms is likely to be the most important?

Solved • Nov 12, 2018

Formal Charge

Q. Consider the Lewis structure for the polyatomic oxyanion shown here, where X is an element from the third period (Na-Ar). By changing the overall c...

Solved • Nov 12, 2018

Formal Charge

Q. Consider the Lewis structure for the polyatomic oxyanion shown here, where X is an element from the third period (Na-Ar). By changing the overall c...

Solved • Nov 12, 2018

Formal Charge

Q. Suppose a Lewis structure for a neutral fluorine-containing molecule results in a formal charge on the fluorine atom of +1. What conclusion would y...

Solved • Nov 12, 2018

Formal Charge

Q. In the vapor phase, BeCl2 exists as a discrete molecule.On the basis of the formal charges, which Lewis structure is expected to be dominant for Be...

Solved • Nov 12, 2018

Formal Charge

Q. In the Lewis structure shown here, A, D, E, Q, X, and Z represent elements in the first two rows of the periodic table (H - Ne).Identify Q so that ...

Solved • Nov 12, 2018

Formal Charge

Q. In the Lewis structure shown here, A, D, E, Q, X, and Z represent elements in the first two rows of the periodic table (H - Ne).Identify Z so that ...

Solved • Nov 12, 2018

Formal Charge

Q. What are the formal charges of the atoms shown in red?

Solved • Nov 12, 2018

Formal Charge

Q. Use formal charges to identify the better Lewis structure.

Solved • Nov 12, 2018

Formal Charge

Q. Which is the correct Lewis structure for CO32–?

Solved • Nov 12, 2018

Formal Charge

Q. Use formal charge to choose the best Lewis structure for CH3SOCH3.

Solved • Nov 12, 2018

Formal Charge

Q. Use formal charge to explain why the fulminate ion is less stable (and therefore more reactive) than the cyanate ion.

Solved • Nov 12, 2018

Formal Charge

Q. In N2O, nitrogen is the central atom and the oxygen atom is terminal. In OF2, however, oxygen is the central atom.Use formal charges to explain why.

Solved • Nov 12, 2018

Formal Charge

Q. Based on formal charge considerations, which of the following would likely be the correct arrangement of atoms in nitrosyl chloride: ClNO or ClON?

Solved • Oct 22, 2018

Formal Charge

Q. What is the formal charge on  boron in the compound below?a) neutral (0)b) +1c) -1

Solved • Jun 19, 2018

Formal Charge

Q. Calculate the formal charge on the N in the molecule below (as drawn) 

Solved • Jun 11, 2018

Formal Charge

Q. For a molecule of fluorous acid, the atoms are arranged as HOFO. What is the formal charge on each of the atoms?

Solved • Mar 26, 2018

Formal Charge

Q. Add formal charges as necessary to the structure. All unshared valence electrons are shown. What is the net charge on the species?

Solved • Mar 23, 2018

Formal Charge

Q. The Lewis structure for the chlorate ion is shown below. A. Calculate the formal charge on the chlorine (Cl) atom.B. Calculate the formal charge of...

Solved • Mar 21, 2018

Formal Charge

Q. Why does the most proper Lewis structure of BeCl 2 contain two single Be-Cl bonds instead of two double Be=Cl bonds?a. The formal charges of the at...

Solved • Aug 18, 2017

Formal Charge

Q. For dinitrogen monoxide, the arrangement of the atoms is N-N-O. In the Lewis structure with a single bond between NN and a triple bond between NO, ...

Solved • Jul 10, 2017

Formal Charge

Q. Which of the following is a correct Lewis structure for nitrous acid, HNO2 ?

Solved • Jun 16, 2017

Formal Charge

Q. A Lewis structure for sulfurous acid (H 2SO3) is shown below. The formal charge on the sulfur atom in this Lewis structure is

Solved • Aug 24, 2016

Formal Charge

Q. Given the Lewis Structure shown below, what is the formal charge on the sulfur atom labeled #1?A. 0B. -1C. +1D. -2E. +2

Solved • Aug 24, 2016

Formal Charge

Q. Which is the best Lewis structure of the thiocyanate ion, SCN − ?A) AB) BC) CD) both A and CE) A, B, and C are all equally plausible

Solved • Aug 8, 2016

Formal Charge

Q. These two electron-dot formulas for carbon dioxide (given below) both satisfy the octet rule, but one is preferred over the other. Which of the sta...

Solved • Apr 26, 2016

Formal Charge

Q. Based on the formal charges, which structure is favored?a.  Ab.  Bc.  Cd.  A and C are both equally stable, and also more stable than Be.  The thre...

Solved • Mar 10, 2016

Formal Charge

Q. In which of the Lewis structures below does the nitrogen atom have a formal charge of −2?

Solved • Mar 9, 2016

Formal Charge

Q. Phosphoryl iodide is used in the preparation of organophosphorus derivatives and phosphate esters. Select the best Lewis structure for POI3.

Solved • Mar 9, 2016

Formal Charge

Q. In the following Lewis structure for ClO3F, chlorine has a formal charge of ____ and an oxidation number of ____. (a) 7, 7 (b) 7, -1 (c) 1, 1 (...

Solved • Mar 9, 2016

Formal Charge

Q. The formaldehyde molecule, which has the formula CH 2O, has two possible structures for which we can write a correct Lewis dot structures.  Using f...

Solved • Mar 1, 2016

Formal Charge

Q. Assuming the octet rule is obeyed, how many covalent bonds will a nitrogen atom form to give a formal charge of zero?1) 12) 23) 34) 45) 5

Solved • Mar 1, 2016

Formal Charge

Q. According to the formal charges, choose the best Lewis structure for PO 43-

Solved • Feb 25, 2016

Formal Charge

Q. Why is it not recommended to draw double bonds between the Be atom and the Cl atoms in BeCl2?a. It would give positive formal charges to the chlori...

Solved • Feb 18, 2016

Formal Charge

Q. Which of the following best represents the Lewis structure for ozone O 3?a. 1b. 2c. 5d. 4e. 3

Solved • Feb 18, 2016