Respuesta :
Answer : The oxidation number of chlorine (Cl) is, (+1)
Explanation :
Oxidation number : It represent the number of electrons lost or gained by the atoms of an element in a compound.
Oxidation numbers are generally written with the sign (+) and (-) first and then the magnitude.
When the atoms are present in their elemental state then the oxidation number will be zero.
Rules for Oxidation Numbers :
The oxidation number of a free element is always zero.
The oxidation number of a monatomic ion equals the charge of the ion.
The oxidation number of Hydrogen (H) is +1, but it is -1 in when combined with less electronegative elements.
The oxidation number of oxygen (O) in compounds is usually -2, but it is -1 in peroxides.
The oxidation number of a Group 1 element in a compound is +1.
The oxidation number of a Group 2 element in a compound is +2.
The oxidation number of a Group 17 element in a binary compound is -1.
The sum of the oxidation numbers of all of the atoms in a neutral compound is zero.
The sum of the oxidation numbers in a polyatomic ion is equal to the charge of the ion.
The given compound is, [tex]ClO^-[/tex]
Let the oxidation state of 'Cl' be, 'x'
[tex]x+(-2)=-1\\\\x-2=-1\\\\x=+1[/tex]
Therefore, the oxidation number of chlorine (Cl) is, (+1)
Thee oxidation number of cl− in the hypochlorite ion clo− is; +1.
Definition:
The Oxidation number represents the number of electrons which are either lost or gained by the atoms of an element in a compound.
- Oxidation numbers are written with the sign (+) and (-) first as the case may be and then the magnitude
- However, the oxidation number of a neutral atom is 0.
Among the Rules for Oxidation Numbers is the Oxygen rule which states that:
- The oxidation number of oxygen (O) in compounds is usually -2, but it is -1 in peroxides.
In essence, since the given formula is that of hypochlorite ion, ClO-
Let the oxidation number of Chlorine = x
Therefore;
- x + (-2) = -1
- x = -1 + 2
- x = 1.
Ultimately, the oxidation number of cl− in the hypochlorite ion clo− is; +1.
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