Q.

The primary valency of iron in K4[Fe(CN)6] is

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a

1

b

3

c

2

d

4

answer is C.

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Detailed Solution

Primary valency or oxidation state of Fe in K4[Fe(CN)6] is4 (+1)+ x + 6(-1) = 0   x = +2.
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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Best Online Course for NEET
Best Online Course for CBSE
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The primary valency of iron in K4[Fe(CN)6] is