Study sets matching "oxidation"

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Study sets matching "oxidation"

OXIDATION
Law of conversation of mass
Metal
Metal oxide
Non-metal
In any physical change or chemical reaction,mass is conserved…
Elements that are good conductors of heat and electric current.
Metal + Oxygen
An element. Does not conducts electricity, gas or dull
Law of conversation of mass
In any physical change or chemical reaction,mass is conserved…
Metal
Elements that are good conductors of heat and electric current.
7 terms
****** Oxidation ****
LiAlH4 -> H2O workup
DIBAL-H -> H20
LiAlH(OtBu3) -> -78
Ag2O -> NH3
LiAlH4 -> H2O workup
DIBAL-H -> H20
6 terms
Oxidation
Loss of electrons
Oxidation reaction that results in a r…
Element that will lose or donate elect…
Substance that takes on electrons in a…
oxidations
combustion
reducers
oxidizing agent
Loss of electrons
oxidations
Oxidation reaction that results in a r…
combustion
Oxidation
Autoxidation
Autoxidation: O2
Reactive Oxygen Species (ROS)
Free radical mechanism of Oxidation
Slow process - uncatalyzed oxidation of a substance by O2.
O-O... Triple diradical with 2 unpaired electrons w/parallel s…
Includes superoxide (O2*-), hydrogen peroxide, and the very r…
Involves INITIATION-PROPAGATION-TERMINATION!... 1. I: formation…
Autoxidation
Slow process - uncatalyzed oxidation of a substance by O2.
Autoxidation: O2
O-O... Triple diradical with 2 unpaired electrons w/parallel s…
Oxidation
+2 or +3
+1 or +2
+2 or +4
+1
Iron
Copper
Tin
Silver
+2 or +3
Iron
+1 or +2
Copper
6 terms
Oxidation
What is Oxidation technically?
What happens with an Aldonic Acid?
What happens with an Uronic Acid?
Saccharic acids?... Tell me, Glucose, Gal…
Adding of an Oxygen molecule
Aldehyde becomes Carobxyl
the Ch2OH in the bottom becomes a carboxyl group... Glucose is f…
This is just when its oxidation in both ends, both ends becom…
What is Oxidation technically?
Adding of an Oxygen molecule
What happens with an Aldonic Acid?
Aldehyde becomes Carobxyl
8 terms
Oxidation
In oxygen
In hydrogen
In electronegative element
In electropositive element
Addition
Removal
Addition in element
Removal in element
In oxygen
Addition
In hydrogen
Removal
8 terms
Oxidation
law of conservation of mass
metal
metal oxide
non-metal
the idea that mass is not lost or gained during a chemical re…
any element that is shiny when polished, conducts heat and el…
a metal that has combined with oxygen in a chemical reaction,…
any element that is not shiny and does not conduct heat and e…
law of conservation of mass
the idea that mass is not lost or gained during a chemical re…
metal
any element that is shiny when polished, conducts heat and el…
oxidation
cesium
cesium
copper I
copper I
Cs
+1
Cu
+1
cesium
Cs
cesium
+1
oxidation
free elements
monotomic elements
sum of oxidation states in a compound
sum of oxidation state in ion
0
charge
0
charge
free elements
0
monotomic elements
charge
Oxidation
only a redox if
non metals have ______ charges
metals have _______ charges
element being reduced is the
one element gains an electron and one loses
negative
positive
oxidizing agent
only a redox if
one element gains an electron and one loses
non metals have ______ charges
negative
Oxidation
Atom
Monotomic
K+
O 2-
0
charge of Ion
+1
-2
Atom
0
Monotomic
charge of Ion
oxidation
oxidation number of fluorine
oxidation of oxygen
oxidation of hydrogen
oxidation of aluminum
-1
-2... unless w/ F, +1 or +2... unless in peroxide, -1
+1... unless w/ metal, -1
+3
oxidation number of fluorine
-1
oxidation of oxygen
-2... unless w/ F, +1 or +2... unless in peroxide, -1
oxidation
Aluminium
cadmium
nitrogen
zinc
Al3+
cd2+
N3-
zn2+
Aluminium
Al3+
cadmium
cd2+
6 terms
Oxidation
Step 1 of Oxidation
Step 2 of Oxidation
Step 3 of Oxidation
Step 4 of Oxidation
Fluorine is -1
Alkali metal is +1
Alkaline earth metal is +2
Hydrogen is +1
Step 1 of Oxidation
Fluorine is -1
Step 2 of Oxidation
Alkali metal is +1
42 terms
Oxidation
Pt**+
K*+
Rb*+
Se**-
Platinum
Potassium
Rubidium
Selenium
Pt**+
Platinum
K*+
Potassium
Oxidation
Carbonate
Hydroxide
Nitrate
Phosphate
CO3 (-2)
OH (-1)
NO3 (-1)
PO4 (-3)
Carbonate
CO3 (-2)
Hydroxide
OH (-1)
Oxidation
Nitrate
Carbonate
Bicarbonate
Sulfate
NO3-
(CO3)2-
HCO3-
(SO4)2-
Nitrate
NO3-
Carbonate
(CO3)2-
12 terms
Oxidation
Oxidation
Reduction
O
H
Loss of electrons... # goes down
Gain of electrons... # goes up
-2
+1
Oxidation
Loss of electrons... # goes down
Reduction
Gain of electrons... # goes up
11 terms
Oxidation
2,3
2,4
1,3
2,4
Fe (
Pb
Au
Sn
2,3
Fe (
2,4
Pb
10 terms
oxidation
law of confersation of mass
metal
non metal
oxidation
the mass remains the same as the product
any elemant that is shiny when polished, conducts heat and el…
any element that is not shiny and doesnt conduct electricity
reacting with oxygen
law of confersation of mass
the mass remains the same as the product
metal
any elemant that is shiny when polished, conducts heat and el…
Oxidation
Elements in their elemental form have…
The oxidation of a monatomic ion is..
Nonmetals tend to have..
Oxygen has an oxidation of..
0
the same as it's charge
Negative oxidation numbers
-2
Elements in their elemental form have…
0
The oxidation of a monatomic ion is..
the same as it's charge
11 terms
oxidation
oxidation
reduction
1. how to balance O
2. how to balance H
oxidation number went up
oxidation number went down
add H2O (before adding H)
add H+ (after adding H2O)
oxidation
oxidation number went up
reduction
oxidation number went down
Oxidation
ammonium
acetate
chlorate
Hydroxide
NH4+1
C2H3O2-1
Clo3-1
OH-1
ammonium
NH4+1
acetate
C2H3O2-1
Oxidation
Atoms in pure state = 0
H2, O2, N2, F2, Cl2, Br2, I2
Flourine = -1 unless in elemental form…
Oxygen=-2 unless in elemental form O2…
1st Oxidation Rule
Diatomic Elements
3rd Oxidation Rule
4th Oxidation Rule
Atoms in pure state = 0
1st Oxidation Rule
H2, O2, N2, F2, Cl2, Br2, I2
Diatomic Elements
5 terms
Oxidation
Metals react with oxygen
Non metals react with ocygen
Carbon reacts with oxygen=Carbon Dioxide
Soulful reacts with oxygen= Sulfur Dio…
Example... Magnesium + Oxygen... --> Magnesium Oxide
Produce Non-metal Oxides
Carbon + Oxygen ... -> Carbon Dioxide
Sulfur + Oxygen ->... Sulfur Dioxide
Metals react with oxygen
Example... Magnesium + Oxygen... --> Magnesium Oxide
Non metals react with ocygen
Produce Non-metal Oxides
oxidation
group 1
group 2
group 13
group 14
+1
+2
+3
+4
group 1
+1
group 2
+2
Oxidation
Hydrogen (H)
Lithium (Li)
Sodium (Na)
Potassium (K)
+1
+1
+1
+1
Hydrogen (H)
+1
Lithium (Li)
+1
8 terms
Oxidation
law of conservation of mass
metal
metal oxide
non-metal
The idea that mass is not lost or gained during a chemical re…
Any element that is shiny when polished, conducts heat and el…
A metal that has combined with oxygen in a chemical reaction,…
Any element that is not shiny and does not conduct heat and e…
law of conservation of mass
The idea that mass is not lost or gained during a chemical re…
metal
Any element that is shiny when polished, conducts heat and el…
Oxidation
Group 1A
Group 2A
H
O
+1 all compound
+2 all compound
+1 with nonmetal/-1 with metal and boron
-2 all compound except F
Group 1A
+1 all compound
Group 2A
+2 all compound
oxidation #
Group 1
Group 2
Group 13
Group 14
+1
+2
+3
+4
Group 1
+1
Group 2
+2
Oxidation
oxidation states
oxidation
reduction
oxidation agent
a concept that provides a way to keep track of electrons in r…
loss of electrons
gaining electrons
electron acceptor
oxidation states
a concept that provides a way to keep track of electrons in r…
oxidation
loss of electrons
15 terms
Oxidation
Hydrogen
Alkali metals
Iron
Copper
1, -1
1
3, 2
2, 1
Hydrogen
1, -1
Alkali metals
1
Oxidation
For group 1A (I)
For group 2a (2)
For hydrogen
For Fluroine
O.N=+1 in all compounds
O.N +2 in all compounds
O.N =+1 in combination with nonmetals... O.N= -1 in combination…
O.N -1 in all compounds
For group 1A (I)
O.N=+1 in all compounds
For group 2a (2)
O.N +2 in all compounds
Oxidation
Group 1
Group 2
Group 13
Group 14
1+
2+
3+
4+
Group 1
1+
Group 2
2+
Oxidation
+2 or +3
+1 or +2
+2 or +4
+1
Iron
Copper
Tin
Silver
+2 or +3
Iron
+1 or +2
Copper
47 terms
Oxidation
Cr
Mn
Fe
Co
2+,3+
2+,3+
2+,3+
2+,3+
Cr
2+,3+
Mn
2+,3+
oxidation
oxidation
reduction
Oxidizing agent
reducing agent
when an element loses electrons, such that its charge/ pseudo…
when an element gains electrons, such that its charge/ pseudo…
substance that gets reduced/ helps other one oxidize
substance that gets oxidized/ helps other one reduce
oxidation
when an element loses electrons, such that its charge/ pseudo…
reduction
when an element gains electrons, such that its charge/ pseudo…
Oxidation
Cation
Li
Na
K
metals, positive charge
+1
+1
+1
Cation
metals, positive charge
Li
+1
10 terms
Oxidation
经氧化 ― 还原反应, 铜渗入铁中.
我们得保证特定的化学和生物氧化作用的进行.
这种方法最适用于寻找正在遭受氧化的矿床.
氧化过程涉及电子的转移.
By oxidation - reduction reaction, copper is cemented into th…
2. We should guarantee proper functioning of chemical and bio…
3. The technique is best applied to the search for deposits u…
4. Oxidation involves the transfer of electrons.
经氧化 ― 还原反应, 铜渗入铁中.
By oxidation - reduction reaction, copper is cemented into th…
我们得保证特定的化学和生物氧化作用的进行.
2. We should guarantee proper functioning of chemical and bio…
Oxidation
Ox # of atom in elemental state
Ox # of monatomic ion
Ox # of Oxygen
Ox # of H
0
its charge
-2 unless O2 ^2- --- this is -1 (peroxide)
+1 with nonnmetals, -1 with metals
Ox # of atom in elemental state
0
Ox # of monatomic ion
its charge
7 terms
Oxidation
Every uncombined element has an oxidat…
Monatomic ions have an oxidation numbe…
The metals of group 1 always have oxid…
Flourine is always -1 in compounds
...
...
...
...
Every uncombined element has an oxidat…
...
Monatomic ions have an oxidation numbe…
...
5 terms
Oxidation
First
Second
Third
Fourth
1. The oxidation state of an atom in a free element is 0... ex.…
2. The oxidation state of a monoatomic ion is equal to its ch…
Sum of the oxidation states of all atoms in... - a neutral molec…
Group 1A metals always have an oxidation state of +1... Group 2A…
First
1. The oxidation state of an atom in a free element is 0... ex.…
Second
2. The oxidation state of a monoatomic ion is equal to its ch…
Oxidation
Papery or lipstick-like flavor indicat…
trans-2-nonenal's taste threshold in b…
honey-like aroma can be caused by pres…
Sherry-like flavors come from
trans-2-nonenal
0.1 ppb
2,3, - pentanedione
Oxidation of melanoidins
Papery or lipstick-like flavor indicat…
trans-2-nonenal
trans-2-nonenal's taste threshold in b…
0.1 ppb
10 terms
Oxidation
Lone element
Group 1
Group 2
Halogens
0
+1
+2
-1, plus with oxygen
Lone element
0
Group 1
+1
12 terms
oxidation #
the oxidation #'s of all neutral UNCOM…
the oxidation numbers of monatomic ion…
in a compound, F is always
in a compound, O is always
0
the charge
-1
-2
the oxidation #'s of all neutral UNCOM…
0
the oxidation numbers of monatomic ion…
the charge
60 terms
Oxidation
Hydrogen
Lithium
Sodium
Potassium
H+
Li+
Na+
K+
Hydrogen
H+
Lithium
Li+
Oxidation #
Free elements
Ions
Oxygen
Hydrogen
0
Whatever the charge is
usually -2
1
Free elements
0
Ions
Whatever the charge is
oxidation
in compounds or polyatomic ions, Flour…
in compounds or polyatomic ions, group…
in compounds or polyatomic ions, group…
in compounds or polyatomic ions, alumi…
-1
+1
+2
+3
in compounds or polyatomic ions, Flour…
-1
in compounds or polyatomic ions, group…
+1
Oxidation
Uncombined Element
Monatomic Ion
More electronegative element in binary…
Fluorine
0... ex: Na = 0
Charge on the ion... ex: Cl- = -1
Its ion's charge... ex: in NO oxygen's charge is -2
always -1
Uncombined Element
0... ex: Na = 0
Monatomic Ion
Charge on the ion... ex: Cl- = -1
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