Question

Oxidation state of chlorine in perchloric acid is.

• A. – 1
• B. 0
• C. – 7
• D.
  • 7

Answer 1

Answer: (D)

• 7

Answer 2

$\overset{*}{HClO_{4}}$

$1 + x - 2 \times 4 = 0;1 + x - 8 = 0$

$x = 8 - 1 = + 7$ oxidation state