Q3 of 16 Page 57

Write the steps in deducing the chemical formulae of the following compounds.

Ferric phosphate

Ferric Phosphate-


Formula:- FePO4


Step 1: To write the symbols of the radicals.(Basic radical on the left.)


Fe PO4


Step 2: To write the valency below the respective radical. Fe PO4


3 3


Step 3: To cross-multiply as shown by the arrows the number of the radicals.


Fe PO4


3 3


Step4: To write down the chemical formula of the compound.


FePO4


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