Question

What is the oxidation state of Se in H2SeO3?

Answer 1

heya friend!!

heres your answer!!

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The oxidation states are as follows:

+1 for each H, -2 for each O,

+4 for Se

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hope it helps you!!

Answer 2

The oxidation state of Se is +4.

• The oxidation state of the H atom is +1.
• The oxidation state of the oxygen atom is -2.
• Let the oxidation state of Se be x.
• The molecule is neutral so, the overall oxidation state is zero.
• Thus we can write-
• $+ 2 + x - 2 \times 3 = 0 \\ x - 4 = 0 \\ x = + 4$
• The value of x is +4.
• Thus oxidation state of Se is +4.