Multiple choice

Which of the following sets represents only soft acids?

  1. Ni(0), Cu(I), Mg(II), Al(III)

  2. Ni(0), Cu(I), Hg(II), Pt(II)

  3. Cu(I), Cu(II), Hg(II), Fe(III)

  4. Ag(I), Au(I), Zn(II), Mg(II)

  5. Li(I), Ca(II), Al(III), Si(IV)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ni(0), Cu(I), Hg(II) and Pt(II) all are soft acids.

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