In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from

In The Conversion Of Br To Bro The Oxidation Number Chemistry Question

In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from

Options

(a) zero to 5
(b) 1 to 5
(c) zero to -3
(d) 2 to 5

Correct Answer:

zero to 5

Explanation:

Br → BrO₃⁻
Any free (unattached)element with no charge has the oxidation state of zero.
Let the Oxidation number of Br in BrO₃⁻ be x.
Hence x + 3(-2) = -1, x – 6 = -1, x -6 + 5 = -1, x = +5.

Related Questions:

  1. The energy of an electron in the 3rd orbit of hydrogen atom is -E
  2. Cellulose is a
  3. When the temperature of reactions will increases then the effect on pH value will
  4. Correct order of the stability of group IIA metal carbonates is
  5. Which one of the elements has the highest ionisation energy?

Topics: Hydrogen and Redox Reactions (174)
Subject: Chemistry (2512)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*