(a) Precipitation of the group 4 cations of Figure 17.23 requires a basic medium. Why is this...

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(a) Precipitation of the group 4 cations of Figure 17.23 requires a basic medium. Why is this so?
(b) What is the most significant difference between the sulfides precipitated in group 2 and those precipitated in group 3?
(c) Suggest a procedure that would serve to redissolve the group 3 cations following their precipitation.
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Chemistry The Central Science

ISBN: 978-0321696724

12th edition

Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward

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