Question

Question 5 2 pts Choose the statement(s) that are true. The sum of oxidation numbers for a neutral compound is zero. The sum of oxidation numbers for an ion is equal to the charge of the ion. The oxidation number of halogens is always - 1.

Answer 1

5.

• Yes, it is true sum of oxidation number of all atoms of a neutral compound is zero.
• Yes, this is true that sum of the oxidation number of all atoms of an ion is equal to the charge of that ion.
• No, this is not true Fluorine always exhibits an oxidation state of -1 while Cl and other halogen atoms also shows oxidation state of +1,+3,+5,+7.

3.

• Yes, Oxidation is loss of electrons or increase in oxidation state.
• Yes, Reduction is gain of electrons or decrease of oxidation state.
• Yes, The Oxidation state is increased so atom becomes more positively charged.
• Yes, when atom is reduced it becomes more negatively charged.
• No, this is wrong, it gets more positively charged.
• No, this is wrong, it becomes less positively charged.
• No, Oxidation is the gain of electrons.
• No, Reduction is the loss of electrons.

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