Problem: Which compound has the atom with the highest oxidation number?a. casb.na3nc. mgso3d. al(no2)3

FREE Expert Solution

We are asked to identify the compound which has the atom with the highest oxidation number.

The rules for oxidation states (O.S.) are as follows:

A. General Rules:

1. For an atom in its elemental form (Zn, Cl2, C(graphite), etc.)    O.S. = 0

2. For an ion (Li+, Al3+, etc.)                                                       O.S. = charge

B. Specific Rules:

1. Group 1A            O.S. = +1

2. Group 2A            O.S. = +2

3. Hydrogen            O.S. = +1, with nonmetals

 O.S. = –1 with metals and boron

4. Fluorine               O.S. = –1

5. Oxygen               O.S. = –1 in peroxides (X2O2, X = Group 1A)

    O.S. = –1/2 in superoxides (XO2, X = Group 1A)

    O.S. = –2 in other compounds

6. Group 7A            O.S. = –1 (except when bonded to O)

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Problem Details

Which compound has the atom with the highest oxidation number?

a. cas


c. mgso3

d. al(no2)3

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