in Na +cl2=nacl2(is this reaction undergoes oxidation)

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lemonie6 years ago

Is this a homework question?
Your two half-equations are:

Na=Na+ + e-  (oxidation)
Cl2 + 2e-=2Cl- (reduction)

You'll very most likely want 2Na +Cl2=2NaCl

aelias366 years ago
Is this an example of oxidation? No. Oxidation needs oxygen, to make oxides. Oxy K? I mean, O.K.?
You do not always need oxygen for oxidation.

Wiki link.
Just to keep you confused, fluorine can oxidize oxygen (usually via sodium hydroxide reactant) to make oxygen difluoride:

2 F2 + 2 NaOH → OF2 + 2 NaF + H2O
(Brain explodes)
Mmmmm....brain pudding....
g-one6 years ago

"Oxidation is the loss of electrons or an increase in oxidation state by a molecule, atom, or ion."
"Reduction is the gain of electrons or a decrease in oxidation state by a molecule, atom, or ion."
- Wikipedia

It's a so called redox-reaction. Chlorine gets an electron while sodium loose it.

BTW: 2 Na + CL2 -> 2 NaCl
NaCl2 does not exist.
Vyger g-one6 years ago
Its just like algebra, both sides of the equation have to balance.
Vyger6 years ago
If I remember correctly sodium does combine with oxygen but its preferred partner is chlorine. It has to do with how the electrons match up. Chlorine is a better match which is why it is such a stable compound. A chemistry book would explain it all to you. The pluses of the one element match the minuses of the other.
Kiteman6 years ago
The chlorine oxidises the sodium.

Wiki link