?Predict whether the following reactions will be spontaneous in acidic solution under

Chapter 20, Problem 20.99

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Predict whether the following reactions will be spontaneous in acidic solution under standard conditions:

(a) oxidation of Sn to \(\mathrm{Sn}^{2+}\) by \(\mathrm{I}_{2}\) (to form I ),

(b) reduction of \(\mathrm{Ni}^{2+}\) to Ni by \(\mathrm{I}^{-}\) (to form \(\mathrm{I}_{2}\) ),

(c) reduction of \(\mathrm{Ce}^{4+}\) to \(\mathrm{Ce}^{3+}\) by \(\mathrm{H}_{2} \mathrm{O}_{2}\),

(d) reduction of \(\mathrm{Cu}^{2+}\) to Cu by \(\mathrm{Sn}^{2+}\) (to form \(\mathrm{Sn}^{4+}\) ).

Text Transcription:

Sn2+

I2

Ni 2+

I -

Ce4+

Ce3+

H2O2

Cu2+

Sn4+

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