Question

In: Chemistry

Determine the oxidation state for each of the elements below. The oxidation state of ... iodine...

Determine the oxidation state for each of the elements below.

The oxidation state of

 ...

iodine

 ...

in

 ...

diiodine pentoxide
I2O5

 ...

is

 ...

___ .

The oxidation state of

sulfur

in

sulfur trioxide
SO3

is

__

The oxidation state of

bromine

in

bromine trifluoride
BrF3

is

___.

Solutions

Expert Solution

1)

Oxidation number of O = -2

lets the oxidation number of I be x

use:

5* oxidation number (O) + 2* oxidation number (I) = net charge

5*(-2)+2* x = 0

-10 + 2 * x = 0

x = 5

So oxidation number of I = +5

Answer: +5

2)

Oxidation number of O = -2

lets the oxidation number of S be x

use:

3* oxidation number (O) + 1* oxidation number (S) = net charge

3*(-2)+1* x = 0

-6 + 1 * x = 0

x = 6

So oxidation number of S = +6

Answer: +6

3)

Oxidation number of F = -1

lets the oxidation number of Br be x

use:

3* oxidation number (F) + 1* oxidation number (Br) = net charge

3*(-1)+1* x = 0

-3 + 1 * x = 0

x = 3

So oxidation number of Br = +3

Answer: +3

queen_honey_blossom answered 2 years ago
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