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Reese > Chemistry Exam 2 > Flashcards

Chemistry Exam 2 Flashcards

1
Q

Electron geometry vs Molecular geometry

A

EG = # of groups; MG = dealing with lone pairs

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2
Q

EG=? MG=? NH3 :N-H-H-H

A

EG: 4 = tetrahedral; MG: trigonal pyramidal

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3
Q

how many sigma and pi bonds are in a triple bond?

A

1 sigma, 2 pi

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4
Q

what is diamagnetic

A

substances weakly repelled by a magnetic field because ALL ELECTRONS ARE PAIRED

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5
Q

what is paramagnetic

A

substances that are attracted to a magnetic field because they have UNPAIRED ELECTRONS

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6
Q

what are the electronegativity values of the following elements:

A
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7
Q

What is the name of the ion C2H3O2-

A

Acetate

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8
Q

What is the name of the ion CO3^2-

A

Carbonate

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9
Q

What is the name of the ion HCO3-

A

Hydrogen carbonate (or bicarbonate)

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10
Q

What is the name of the ion OH-

A

Hydroxide

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11
Q

What is the name of the ion NO2-

A

Nitrite

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12
Q

What is the name of the ion NO3-

A

Nitrate

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13
Q

What is the name of the ion CrO4^2-

A

Chromate

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14
Q

What is the name of the ion Cr2O7^2-

A

Dichromate

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15
Q

What is the name of the ion PO4^3-

A

Phosphate

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16
Q

What is the name of the ion HPO4^2-

A

Hydrogen phosphate

17
Q

What is the name of the ion NH4+

A

Ammonium

18
Q

What is the name of the ion ClO2-

A

Chlorite

19
Q

What is the name of the ion ClO3-

A

Chlorate

20
Q

What is the name of the ion ClO4-

A

Perchlorate

21
Q

What is the name of the ion MnO4-

A

Permanganate

22
Q

What is the name of the ion SO3^2-

A

Sulfite

23
Q

What is the name of the ion HSO3-

A

Hydrogen sulfite

24
Q

What is the name of the ion SO4^2-

A

Sulfate

25
Q

What is the name of the ion HSO4-

A

Hydrogen sulfate

26
Q

What is the name of the ion CN-

A

Cyanide

27
Q

What is the name of the ion O2^2-

A

Peroxide

28
Q

What are the polar EN values and what are the non-polar EN values

A

polar EN: 0.5-1.9
non-polar EN: 0.0-0.4

Reese (10 decks)

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