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Engineering Chemistry · Q1

Transition Elements

Engineering and GATE · Engineering Chemistry · question 1

Q1

The separation of trivalent lanthanide ions, Lu3+, Yb3+, Dy3+, Eu3+ can, be effectively done by a cation exchange resin using ammonium o-hydroxy iso-butyrate as the eluent. The order in which the ions will be separated is

A.
Lu3+, Yb3+, Dy3+, Eu3+
Answer
B.
Eu3+, Dy3+, Yb3+, Lu3+
C.
Dy3+, Yb3+, Eu3+, Lu3+
D.
Yb3+, Dy3+, Lu3+ , Eu3+

Answer: Option A

Solution

Answer: Option A
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