Which pair of ions among the following can be separated by the precipitation method?
- A$Eu(II)$ and $Dy(III)$
- B$Gd(III)$ and $Dy(III)$
- C$Eu(II)$ and $Yb(II)$
- D$Eu(II)$ and $Gd(III)$
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Similar Questions
The separation of $Lanthanoid$ elements is based on which of the following?
Easy
View SolutionDescribe the atomic and ionic radii of lanthanoids and explain lanthanoid contraction.
Match the properties given in List-$I$ with the elements given in List-$II$:
List-$I$ (Property) List-$II$ (Element) $(A)$ Lanthanoid showing $+4$ oxidation state $(i)$ $Pm$ $(B)$ Lanthanoid showing $+2$ oxidation state $(ii)$ $Ce$ $(C)$ Radioactive lanthanoid $(iii)$ $Lu$ $(D)$ Lanthanoid with $4f^7$ configuration in $+3$ state $(iv)$ $Eu$ $(E)$ Lanthanoid with $4f^{14}$ configuration in $+3$ state $(v)$ $Gd$ - $(vi)$ $Dy$
| List-$I$ (Property) | List-$II$ (Element) |
| $(A)$ Lanthanoid showing $+4$ oxidation state | $(i)$ $Pm$ |
| $(B)$ Lanthanoid showing $+2$ oxidation state | $(ii)$ $Ce$ |
| $(C)$ Radioactive lanthanoid | $(iii)$ $Lu$ |
| $(D)$ Lanthanoid with $4f^7$ configuration in $+3$ state | $(iv)$ $Eu$ |
| $(E)$ Lanthanoid with $4f^{14}$ configuration in $+3$ state | $(v)$ $Gd$ |
| - | $(vi)$ $Dy$ |
Medium
View SolutionWhich of the following elements belongs to the actinoids?
Which of the following trivalent ions has the largest atomic radius in the lanthanide series?
Easy
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