Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 3 Chemical Reactions - Study Questions - Page 137c: 45


See answer below.

Work Step by Step

a) O: -2 (always except in fluorides) $-1=nOx_{Br}-2\times3$ $nOx_{Br}=+5$ b) O: -2 (always except in fluorides) $-2=2\times nOx_{C}-2\times4$ $nOx_{C}=+3$ c)Monoatomic ion, oxidation number equals the charge F:-1 d) H:-1 ( hydride) $0= nOx_{Ca}-1\times2$ $nOx_{Ca}=+2$ e) O: -2 (not a fluoride) H: +1 (not a hydride) $0=+1\times4+nOx_{Si}-2\times4$ $nOx_{Si}=+4$ f) O: -2 (not a fluoride) H: +1 (not a hydride) $-1=+1+nOx_{S}-2\times4$ $nOx_{S}=+6$
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