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 values of heat of formation of SO₂ and SO₃ are -298.2 kJ and -98.2 kJ.
  2. Carbylamine reaction is given by
  3. The pair of species with the same bond order is:
  4. A 5 molar solution of H₂SO₄ is diluted from 1 liter to a volume of 10 litres
  5. Number of isomers of C₄H₁₀ is

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

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