Question

PLEASE HELP
Write the empirical formula for at least four lonic compounds that could be formed from the following : Fe^ 3+ ,C 2 H 3 O 2 ,CN; pb^ 4+

Answer 1

The  empirical formula refers to the simplest formula of a compound.

What is the empirical formula?

The term empirical formula refers to the simplest formula of a compound. The empirical formula shows us the ratio of the atoms that are involved in the compound. It does not show the actual number of the atoms in the molecule as this is shown by the molecular formula. However, the arrangement of atoms in the compound is shown by the structural formula.

Now, let us write the compounds that can be formed rom each ion;

1) Fe^3+

-FeCl3

-FeBr3

-FeI3

-FeF3

2) C2H3O2^-

-NaC2H3O2

-KC2H3O2

-Ca(C2H3O2)2

-Mg(C2H3O2)2

3)

CN^-

-Fe(CN)3

-CsCN

-NaCN

-KCN

4) Pb^4+

-PbCl4

-PbI4

-PbBr4

-PbF4

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