Question

A pure element unbound or in a diatomic state, such as cl2, always has an oxidation number of ________. a. 1 b. 2 c. magnitude equal to its valence number d. 0

Answer 1

A pure element unbound or in a diatomic state, such as cl2, always has an oxidation number of 0 (zero).

Why does pure element or a diatomic molecule has zero oxidation state?

In a neutral substance with atoms of only one element, the oxidation number of an atom is zero. As a result, the oxidation number of the atoms in O2, O3, P4, S8, and aluminum metal is 0. The oxidation numbers for an element in its normal state will be zero. O2 and Cl2 are diatomic gas molecules that occur naturally, thus when they are in that state, they have an oxidation state of zero. Metals like zinc will also have an oxidation number of zero if they are in their natural solid state.

O2 and Cl2 are neutral diatomic, hence they will always have a zero oxidation state. It is impossible for one oxygen atom to have a negative 2 charge while the other has a positive 2. The oxidation states should be 0 if the elements are solids, liquids, or any type of diatomic molecule.

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Answer 2

option (d) 0 is the right option.

A pure element unbound or in a diatomic state, such as cl2, always has an oxidation number of 0.

An unbound or diatomic pure element, like cl2, always has an oxidation number of 0 (zero).

Why does a diatomic molecule or pure element have zero oxidation state?

• The oxidation number of an atom is 0 in a neutral substance that contains solely atoms of one element.
• Because of this, the oxidation number of the atoms in aluminum metal, O2, O3, P4, and S8 is 0.
• An element will have zero oxidation numbers in its natural state.
• Since O2 and Cl2 are diatomic gas molecules that are found in nature, they have an oxidation state of zero while they are in that state.
• If a metal is in its natural solid state, it will also have an oxidation number of zero.
• O2 and Cl2 will always have a zero oxidation state because they are neutral diatomic.
• One oxygen atom cannot have a negative charge of two while the other has a positive charge of two.
• If the elements are solids, liquids, or any sort of diatomic molecule, the oxidation states should be 0.

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