Question

Why is lanthanoid separation difficult?

Answer 1

Answer:

f- block elements cannot be separated easily ,the reason is ,if u try to remove any element of that block...they come. along together with many other elements of their block,whose separation will be very difficult practically,..........

.............MARK AS BRAINlIEST..........

Answer 2

Answer:

Apart from a few metals, rare earth elements are restricted to the 3+ oxidation state (except in very specific circumstances). Chemically speaking the rare earths are very similar to each other. The only major differentiating factor is their size.

The poor shielding ability of 4f electrons means that the lanthanides contract more than would otherwise be expected. Despite this relatively large difference between lanthanum and lutetium there are 13 other elements in between. From one rare earth to the next there is minimal difference.

It's hard to separate things that are essentially the same.

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