Question

what is the oxidation state of N in Al(NO3)3

Answer 1

Oxidation state for N is → +5

Answer 2

The oxidation state of N in Al(NO3)3 is +5.

Given,

Al(NO3)3.

To find,

oxidation state of N in Al(NO3)3.

Solution:

• The oxidation state also known as the oxidation number, is the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.
• The oxidation state may be positive, negative or zero.
• There are elements which possess tendency to show variable oxidation states, for example Manganese exhibits oxidation state from +2 to +7.

Oxidation state of aluminum is +3.

Oxidation state of oxygen is -2.

Assuming that Al(NO3)3 taken is neutral in nature, the sum of the individual oxidation states will be zero.

Let the oxidation state of N be x.

+3+3x+3(-2x3)=0

+3+3x-18=0

3x-15=0

3x=15

x=5.

Oxidation state of N is +5.

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