Which choice gives the correct oxidation numbers for all three elements in rb2so3 in the order that the elements are shown in th

Question

Marina86 [1]

3 years ago

9

Which choice gives the correct oxidation numbers for all three elements in rb2so3 in the order that the elements are shown in th

e formula?

Chemistry

1 answer:

vlabodo [156] · Answer 1 · 2022-03-16T22:57:59+03:00

<h3>Answer:</h3>

Rb = + 1

S = + 4

O = - 2

<h3>Explanation:</h3>

Oxidation states of the elements were calculated keeping in mind the basic rules of assigning oxidation states which included assignment of +1 charge to first group elements i.e. Rubidium (Rb) and assignment of -2 charge to Oxygen atom. Then the oxidation state of Sulfur was calculated as follow,

Rb₂ + S + O₃ = 0

Above zero (0) means that the overall molecule is neutral.

Putting values of Rb and O,

(+1)₂ + S + (-2)₃ = 0

(+2) + S + (-6) = 0

+2 + S - 6 = 0

S - 6 = -2

S = -2 + 6

S = + 4