"Fex2 and Fey3 are known when x and y are :"

"FeI 3 does not exist as I – reduces Fe 3+ to Fe 2+ . \n2Fe 3+ + 2I\n – $\\to$ 2Fe 2+ + I 2 . "

Medium MCQ +4 / -1 PYQ · JEE Mains 2021

Fex₂ and Fey₃ are known when x and y are :

A x = F, Cl, Br, I and y = F, Cl, Br, I
B x = F, Cl, Br and y = F, Cl, Br, I
C x = F, Cl, Br, I and y = F, Cl, Br Correct answer
D x = Cl, Br, I and y = F, Cl, Br, I

Solution

FeI3 does not exist as I– reduces Fe3+ to Fe2+. 2Fe3+ + 2I – $\to$ 2Fe2+ + I2.

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Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals

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Fex2 and Fey3 are known when x and y are :

Solution

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