Which of the following free radicals can the most resonance forms bewritten that show the delocalization of the radical electron?ObO aOdb)CH₂d)

The benzyl radical has a benzene ring in its structure with delocalized pi electrons. This will form…

Answered: Which of the following free radicals…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section: Chapter Questions

Problem 62QRT

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Formamide, HC(O)NH2, is prepared at high pressures from carbon monoxide and ammonia, and serves as an industrial solvent (the parentheses around the O indicate that it is bonded only to the carbon atom and that the carbon atom is also bonded to the H and the N atoms). Two resonance forms (one with formal charges) can be written for formamide. Write both resonance structures, and predict the bond angles about the carbon and nitrogen atoms for each resonance form. Are they the same? Describe how the experimental determination of the HNH bond angle could be used to indicate which resonance form is more important.
What is the formal charge on the indicated atom in each of the following species? (a) sulfur in SO2 (b) nitrogen in N2H4 (c) each oxygen atom in ozone, O3
Arrange the following radicals in order of increasing stability, unut O
Determine the formal charge on each atom in the ion H3O+ ?
How many resonance structures can be drawn for the dehydrogen antimonate ion (H2SbO4 -) in which the central antimony atom bears a -1 formal charge and the oxygens bear formal charges of either zero or -1?
Does CH3COCH3 has molecular resonance? If so, show all possible forms.
How many hydrogen atoms are connected to the indicated carbon atom? Which of the following compounds have +1 as a formal charge on the nitrogen atom? :o: II III IV
A radical is an unpaired electron – see the carbon radical from the last question, for example. Radicals are highly unstable and reactive. In the structure to the right, all formal charges are zero. Fill in all the non-bonding electrons and identify if the species is a radical.
Which of the following compounds have +1 as a formal charge on the nitrogen atom? O: Ol DM Both I and II N IV
9a.) Let's put some pieces together. We can also apply energy diagrams to resonance structures. Explain what is happening in the following energy diagram AND draw curved arrows to show the "movement" of electrons from A, to A2.
Like several other bonds, carbon-oxygen bonds have lengths and strengths that depend on the bond order. Draw Lewis structures for the following species, and arrange them in order of increasing carbon-oxygen bond strength. (Indicate the order with the numbers from the drop-down list, starting with 1 for the compound with the smallest bond strength to 5 for the compound with the largest bond strength.) H2CO CH4O CO HCO3-(H attached to O) CO32-
Use the following table of bond energies to calculate the enthalpy of combustion (in kJ) of acetylene (C¿H2) gas in oxygen, based on the following chemical equation: C2H2(g) + 2.502(g) → 2CO2(g) + H;O(g) Single Bond H с N H 432 C 411 346 N 386 305 167 459 358 201 142 C=C 602 C=O 799 C=C 835 C=O 1072 Multiple kJ 1 2 3 4 5 6 C 7 8 +/- x 100 Tap here or pull up for additional resources LO

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Which of the following free radicals can the most resonance forms be written that show the delocalization of the radical electron? Ob O a Od b) CH₂ d)