Question

In the extraction of lanthanide elements the most commonly used organic solvent is
Options
O Tributyl phosphate
Acetone
water
Ether

Answer 1

Ether

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Answer 2

Answer:

The correct answer is O Tributyl phosphate.

Explanation:

Lanthanides are also known as f-block elements because the last electron goes into f-subshell which is known as a penultimate shell.

O Tributyl phosphate is used as an organic solvent in the extraction of lanthanide elements.

O Tributyl phosphate is used in the extraction of Uranium and Plutonium salts.

Monazite is very important mineral from which lanthanide elements are extracted

In general lanthanide elements are extracted by three methods. Following are the three methods :

1. Formation of chelate complexes with acidic extractants

2. Solvation of salts

3. Formation of ion pairs