The formal charge on each atom in the oxime molecule shown is to be determined assuming each atom has a filled valence shell. Concept introduction: Formal charge (FC) on an atom is the difference between its group number and the number of electrons it possesses. The number of electrons on the valence shell of an atom in a molecule or a molecular ion is the sum of half the electrons in the bonds it has formed and all the electrons in lone pairs that it may have. In other words, FC can be calculated using the formula FC = Gr . No . - (#lone pair electrons + 1 2 × bonding electrons) .

Question

Use the data below from an electron impact mass spectrum of a pure compound to deduce its structure. Draw your structure in the drawing window. Data selected from the NIST WebBook, https://webbook.nist.gov/chemistry/ m/z Relative intensity 31 0.5 30 26 29 22 28 100 27 33 26 23 15 4 • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. 妊 n ? Previous Next

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Chapter 1, Problem 1.17P

Interpretation Introduction

Interpretation:

The formal charge on each atom in the oxime molecule shown is to be determined assuming each atom has a filled valence shell.

Concept introduction:

Formal charge (FC) on an atom is the difference between its group number and the number of electrons it possesses. The number of electrons on the valence shell of an atom in a molecule or a molecular ion is the sum of half the electrons in the bonds it has formed and all the electrons in lone pairs that it may have. In other words, FC can be calculated using the formula FC = Gr. No. - (#lone pair electrons + 12×bonding electrons).

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