D-And F-Block Elements Ques 265

Question: In a reaction the ferrous $ (F{{e}^{++}}) $ iron is oxidised to ferric $ (F{{e}^{+++}}) $ ion. The equivalent weight of the ion in the above reaction is equal to

[CPMT 1985]

Options:

A) Half of the atomic weight

B) 1/5 of the atomic weight

C) The atomic weight

D) Twice the atomic weight

Show Answer

Answer:

Correct Answer: C

Solution:

The atomic weight; $ \text{Equivalent weight }=\frac{\text{Atomic weight}}{\text{ No}\text{.of }{{e}^{}}\text{lost or gained}} $

$ F{{e}^{2+}},\to ,F{{e}^{3+}}+{{e}^{-}} $ \ Equivalent weight = Atomic weight



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