Lewis Structure & Atom Charge – Organic Chemistry Quiz

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Lewis Structure & Atom Charge – Organic Chemistry Quiz

The key terms of Organic Chemistry course include Lewis Structure, Atom Charge.


A student proposes the following Lewis structure for the nitronium (NO2+) ion.

Lewis Structure & Atom Charge - Organic Chemistry Quiz

Assign a formal charge to each atom in the student’s Lewis structure.

Answer


Draw the Lewis structure for the triiodide (I3) ion.

Answer


Calculate the heat of reaction ΔH  for the following reaction:

2CH4(g) + 3O2(g) -à 2CO(g) + 4H2O(g)

You can find a table of bond energies by using the Data.

Round your answer to the nearest kJ/mole.

Answer


Answer the questions in the table below about the shape of the sulfur tetrabromide (SBr4) molecule.

Answer

Lewis Structure & Atom Charge - Organic Chemistry Quiz

Lewis Structure & Atom Charge – Organic Chemistry Quiz


Check the box next to each molecule on the right that has the shape of the model molecule on the left:

Answer

Lewis Structure & Atom Charge - Organic Chemistry Quiz

You can drag the slider to rotate the model molecule.

Note for advanced students: the length of bonds and size of atoms in the model is not necessarily realistic. The model is only meant to show you the general geometry and 3D shape of the molecule.


What word or two-word phrase best describes the shape of the hydrogen sulfide (H2S) molecule?

Answer

Bent


Answer the questions in the table below about the shape of the xenon difluoride (XeF2) molecule.

Answer


A student proposes the following Lewis structure for the nitronium (NO2+) ion.

This image has an empty alt attribute; its file name is image-78.png

Assign a formal charge to each atom in the student’s Lewis structure.

Answer

This image has an empty alt attribute; its file name is image-79.png

Calculate the heat of reaction ΔH  for the following reaction:

2CH4(g) + 3O2(g) -à 2CO(g) + 4H2O(g)

You can find a table of bond energies by using the Data.

Round your answer to the nearest kJ/mole.

Answer


Check the box next to each molecule on the right that has the shape of the model molecule on the left:

Answer

Lewis Structure & Atom Charge - Organic Chemistry Quiz

You can drag the slider to rotate the model molecule.

Note for advanced students: the length of bonds and size of atoms in the model is not necessarily realistic. The model is only meant to show you the general geometry and 3D shape of the molecule.


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