Multiple choice

Which of the following statements is FALSE?

  1. Compounds of copper (II) are coloured but those of zinc (II) are colourless.

  2. Pt(IV) complexes are octahedral while Pt(II) complexes are square planar.

  3. Mn(II) ion show maximum paramagnetic character amongst bivalent ions of first transition series.

  4. Zinc metal is diamagnetic while Zn2+ ion is paramagnetic.

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Correct answer. Zn: [Ar] 3d10 4s2 Zn2+: [Ar] 3d10 In zinc metal and Zn2+, all electrons are paired and hence they both are diamagnetic.

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