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Question

Which of these is/are valency/valencies of iron?


A

1

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B

2

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C

3

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D

4

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Solution

The correct options are
B

2


C

3


Iron has a variable valency which means it has more than one valency.

Ferrous radical or Fe2+ has a valency 2. Ferric radical or Fe3+ has a valency 3.


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