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Q.

Assertion(A) : Ferrous ion  has more electronegativity than ferric ion.

Reason (R)  :  An atom with higher oxidation state has more effective nuclear charge.

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a

Both A and R are correct and R is the correct explanation of A.

b

Both A and R are correct but R is not the correct explanation of A.

c

A is correct and R is incorrect.

d

A is incorrect and R is correct.

answer is D.

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Detailed Solution

The ion with greater amount of positive charge or oxidation state that has more effective nuclear charge. Due to this reason effective nuclear charge increases. E.N of Fe+3> E.N of Fe+2

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