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JEE Main levelSingle correct optionDifficulty 2 of 3ph092

Heated iron reacts with dry chlorine, and iron also dissolves in dilute hydrochloric acid. The iron chlorides formed are respectively

A $FeCl X_{3}$ and $FeCl X_{3}$
B $FeCl X_{2}$ and $FeCl X_{2}$
C $FeCl X_{2}$ and $FeCl X_{3}$
D $FeCl X_{3}$ and $FeCl X_{2}$

Answer: D

Chlorine is a strong oxidant and takes iron to +3:

2 Fe + 3 Cl X_{2} 2 FeCl X_{3}

.

H X^{+}

is a weak oxidant and gives

Fe + 2 HCl FeCl X_{2} + H X_{2}

.

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