Question

Valency of iron in FeCl2 is -------------- and in FeCl3 it is -----

Answer 1

Valancy of Fe in FeCl2 is  2+
Valancy of Fe in FeCl3 is  3+

                                            Hope it helps................

Answer 2

Valency of iron in $FeCl_2$ and $FeCl_3$.

• The number of electrons which are either lost or gained to attain octet in an element it is called as valency.
• To find out the valency of the compound, electronic distribution in the constituents elements must be identified.
• Accordingly in the case $FeCl_2$ and $FeCl_3$, chlorine has 7 valence electrons in its outermost shell. Thus each chlorine atom needs only one electron to attain octet.

• In the case of $FeCl_2$, one atom of iron combines with 2 atoms of chlorine. Thus iron donates 2 electrons to 2 chlorine atoms.
• Thus in $FeCl_2$, the valency of Fe is 2+.

• In the case of $FeCl_3$, one atom of tron combines with 3 atoms of chlorine. Thus each chlorine atom requires 1 electron to attain octet.

• Thus in $FeCl_3$, the valency of Fe is 3+.

Learn more about Valency

Workout with the formula of a compound formed between phosphorus and oxygen.

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Valency of an element A is 3 and that of element B is 2 . write the formula of a compound formed by combination of A and B

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