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WorksheetsChem exam 3 review- Datta
Total questions: 23
Worksheet time: 24mins
Why does carbon not form covelent compounds?
It cannot gain/lose 4 electrons
It can gain/lose 4 electrons
It cannot lose 5 electrons
It cannot gain 5 electrons
Which alcohol makes aldehydes?
Tertiary
Primary
Secondary
All of the above
Which alcohol makes ketones?
Tertiary
Primary
Secondary
All
Carboxylic acids are_____
Strong acids
Strong bases
Weak acids
Weak bases
Amines are a___
Weak base
Weak acid
Strong acids
Strong base
Nonmetal+nonmetal=______ bond
Ionic
Covelent
Neither
Both
Nitrogen + Sulfar= ______
Sulfar nitride
Sulfar nitrate
Sulfar nitrogen
None
What is this structure?
Triangular planer
Linear
Bent
Tetrahedral
What is the formula for alcohol?
R-OOH
R-OH
R-H
R-CO-R1
Aldehyde formula is R-CH-O?
True
False
In the equation CH3-CHO, what is the structure of carbon two?
Linear
Bent
Tetrahedral
Triangular planer
How do you know if a molecule is polar?
It has more than one polar bond
It spins really fast
It has two or more polar bonds
Polar bonds don't exist
What is the electronegativity range for ionic bonds?
<0.5
0.5-1.9
>1.9
Which molecules are polar?
alochols
ketones
carbocylic acids
all of them
How do you change the states of matter?
Changing temp.
Changing pressure
Both
Combustion
Range the intermolecule forces strongest to weakest
H>>LDF>>DD
LDF>>DD>>H
LGF>>H>>DD
H>>DD>>LDF
Combustion equation
Any CC+O2=CO + H2O
Any CC+ CO= O2+H2O
Primary alcohols make
Aldehydes
Ketones
How are amides formed?
Carboxylic acids+Amines
CO2 + Amines
Ketones + Amines
O+ Amines
In some compounds containing Phosphorus, Sulfur, and Chlorine as central atoms do not follow octet rule. This is due to fact that these atoms have empty ______orbital where they can put extra electrons.
3s
3p
3d
all of these
Polar or nonpolar: CH3-COOH
Polar
Nonpolar
Strength of bond depends on.....
Mass, size and color
Element, shape and color
Mass, shape and size
How much water is there
H2O and H2S, which on a liquid and one a gas?
H2O is polar and H2S is nonpolar
Both are polar
Both are nonpolar
H2O nonpolar and H2S is polar
