For Zn 2+ , Ni 2+ , Cu 2+ and Cr 2+ which of the following statements is correct?
Chemistry · Class 12 · CBSE — The d- and f-Block Elements
For Zn2+, Ni2+, Cu2+ and Cr2+ which of the following statements is correct?
- Only Zn2+ is colourless and Ni2+, Cu2+ and Cr2+ are coloured.
- All the ions are coloured.
- All the ions are colourless.
- Zn2+ and Cu2+ are colourless while Ni2+ and Cr2+ are coloured.
Answer
(A) Only Zn 2+ is colourless and Ni 2+ , Cu 2+ and Cr 2+ are coloured.
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