Chemistry

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17 Nov 2019

Organic chemistry is a branch of chemistry that is based on the chemistry of carbon. Answer the following questions based on the models you built containing carbon as one of the central atoms.

a) What types of hybridization did you find in these molecules (around C)?

b) What was the most common type of hybridization around a central carbon?

c) For the most common hybridization how many total domains were there? How many of these were bonding domains? How many were non-bonding (lone pairs)?

Answer question one for molecules containing oxygen as one of the central atoms.

Answer question one for molecules containing nitrogen as one of the central atoms.

Here are several oxygen containing molecules that include oxygen to oxygen bonds. Draw the Lewis structure for each one based on the suggested framework.

a) Ozone, O3 ( not in a ring) OâOâO

b) hydrogen peroxide, H2O2 HâOâOâH

c) How does the electronic geometry and molecular shape of ozone differ from the other oxy- gen containing compounds that you have considered?

d) Do you think that geometry of ozone affects its reactivity? Look up ozone and its chemistry. Report your source and a few things you discover about the reactivity of ozone. Be sure that you use you own words to summarize. Do not plagiarize!

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Jean KeelingLv2

7 Apr 2019

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Which of the following does not have a more stable resonance structure?

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Question 21 pts

In the following molecule, which carbons are electron deficient, meaning they hold a partial positive charge (Î´+) in the hybrid structure. All carbon atoms are identified by a number.

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Question 31 pts

Rank the following resonance structures from most to least stable.

III (most stable) > I > II (least stable)

III (most stable) > II > I (least stable)

I (most stable) > II > III (least stable)

II (most stable) > III > I (least stable)

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Question 41 pts

Which of the following accurately depicts a Lewis acid-base reaction where a carbon is acting as the Lewis acid and an oxygen is acting as the Lewis base.

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Question 51 pts

Which of the following statements about Lewis acids and bases is true?

A Lewis base always accepts an electron pair from a Lewis acid.

The interaction between a Lewis acid and a Lewis base creates a covalent bond.

Lewis acids are also commonly called nucleophiles.

A Lewis base always accepts a proton (H+) from a Lewis acid.

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Question 61 pts

A molecular orbital energy diagram was created that contains two bonding orbitals and two antibonding orbitals. How many atomic orbitals were mixed to create all these orbitals?

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Question 71 pts

Which of the following statements about the molecular orbital diagram for H2â is false?

Two atomic orbitals combine to produce two molecular orbitals.

There is one filled bonding orbital.

There is one empty antibonding orbital.

There is a non-zero bond order.

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Question 81 pts

If a p atomic orbital and an s atomic orbital were to interact and combine to create new molecular orbitals, how many antibonding molecular orbitals would be created?