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What is the oxidation number of chlorine in KClO3?
Group of answer choices

A. +5

B. +1

C. -5

D. -1

Sagot :

Samueladesida43idn

The oxidation number of chlorine in KClO3 is +5 (option A).

How to calculate oxidation number?

The oxidation number of an element is the hypothetical charge of an atom within a molecule.

The oxidation number of an element like chlorine in a compound like Pottasium chlorate can be calculated as follows:

The oxidation number of the elements in KClO3 is as follows:

  • K = +1
  • Cl = x
  • O = -2

1 + x - 2(3) = 0

x - 5 = 0

x = +5

Therefore, the oxidation number of chlorine in KClO3 is +5.

Learn more about oxidation number at: https://brainly.com/question/15167411

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