Chapter 20--Principles of R

# Use the standard reduction potentials below to

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20. Use the standard reduction potentials below to determine which element or ion is the best oxidizing agent. Hg 2 2+ (aq) + 2 e ® 2 Hg( 010009000003fc0000000000d50000000000040000000301080005 0000000b0200000000050000000c020f0007000400000004010d0004 0000000701030005000000140200000000d5000000410b2000cc000f0 00700000000000f0007000000000028000000070000000f0000000100 1800000000006801000000000000000000000000000000000000fffffff efefefffffffffffffffffffefefefefefe000000fffffffefefefffffffffffffefefeffffffffffff 000000fefefeffffff000000000000fffffffefefeffffff000000fffffffefefe0202 02ffffff000000fffffffefefe000000ffffff000000000000ffffffffffff000000ffff ff000000fdfdfdffffff000000fffffffefefefdfdfdffffff000000fefefeffffff00000 0000000fffffffffffffefefe000000ffffffffffff000000000000ffffffffffffffffff00 0000fffffffefefe020202ffffff000000ffffffffffff000000fffffffefefeffffff0101 01000000fffffffefefe000000fefefefefefefefefe000000ffffff010101ffffff0 00000ffffffffffffffffff000000ffffff000000fdfdfd000000fefefeffffffffffffffffff 000000010101ffffff000000fffffffefefefffffffffffffefefefefefefefefe000000 fefefeffffffffffffffffffffffffffffffffffff000000030000000000 ) E = +0.789 V I 2 (s) + 2 e ® 2 I (aq) E = +0.535 V Ni 2+ (aq) + 2 e ® Ni(s) E = –0.25 V
21. Use the standard reduction potentials below to determine which element or ion is the best reducing agent. Pd 2+ (aq) + 2 e ® Pd(s) E = +0.90 V 2 H + (aq) + 2 e ® H 2 (g) E = 0.00 V Mn 2+ (aq) + 2 e ® Mn(s) E = –1.18 V A. Pd 2+ (aq) B. Pd(s) C. H + (aq) D. Mn 2+ (aq) E. Mn(s)
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