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CHEM191 > Exam Revision (Module 3) > Flashcards

Exam Revision (Module 3) Flashcards

1
Q

In the quantum mechanical model of the atom, where are the protons and neutrons located?

A

Nucleus

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2
Q

In the quantum mechanical model of the atom, where are the electrons located?

A

Orbitals

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3
Q

Where are the valence electrons of atoms located?

A

In the outermost occupied major energy level

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4
Q

4 things coming off it

A

sp3

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5
Q

3 things coming off it

A

sp2

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6
Q

2 things coming off it

A

sp

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7
Q

What type of hybrid orbitals are required for the formation of a carbon-carbon triple bond?

A

sp

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8
Q

What is an alkene?

A

Double carbon

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9
Q

What is an alkyne?

A

Triple carbon

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10
Q

What is an amine?

A

Nitrogen

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11
Q

What is an amide?

A

Nitrogen directly attached to a c double bond o

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12
Q

Which 2 isomers is a c double bond c/alkene always?

A

E or Z

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13
Q

What is an elimination reaction?

A

Forming a new double bond

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14
Q

What is a substitution reaction?

A

Swapping one group on the biggest reactant for another group

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15
Q

Which of the following is a poor leaving group in nucelophillic substitutions?
Br
Cl
I

A

None

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16
Q

Is the rate of a nucelophilic substitution reaction influenced by the solvent?

A

Yes

17
Q

Is an Sn2 reaction stereospecific?

A

Yes

18
Q

Will an Sn1 reaction be slow at a tertiary carbon due to steric hindrance?

A

No

19
Q

Is a good leaving group required for nucleophilic substitution reactions?

A

Yes

20
Q

Which reaction will go faster if the concentration of the nucleophile is increased?

A

Sn2 reaction

21
Q

What is the rate determining step of an Sn1 reaction?

A

The leaving group leaving to form a carbo cation

22
Q

What is the rate determining step of an E1 reaction?

A

The leaving group leaving to form a carbo cation

23
Q

What is the rate determining step of an Sn2 reaction?

A

The nucleophile attaching to the carbon as the leaving group is leaving

24
Q
A

CHEM191 (14 decks)

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