Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 4 - Section 4.4 - Oxidation-Reduction Reactions - Checkpoint - Page 154: 4.4.1

Answer

e) −2, +4, +2, 0

Work Step by Step

H₂S: 2(+1)+x=0 → x=-2 HSO₃⁻ : +1+x+(3*-2)=-1 → x = +4 SCl₂ : x+(2*-1)=0 → x = +2 S₈ : x = 0 (free element always has oxidation number of zero).
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