Question

Which is a soluble base in water:
(a) Cu(OH)2
(b) Fe(OH)3
(c) Zn(OH)2
(d) KOH​

Answer 1

hello my friend......according to me

KOH dissolve in water.....

Hydroxides (OH-) are usually insoluble. Exceptions include NaOH, KOH, Sr(OH)2, and Ba(OH)2, which are soluble, and Ca(OH)2, which is slightly soluble. 4. Chromates (CrO42-) are usually insoluble.

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Answer 2

Answer:

koh it is correct mark me as brainliest