Question

Identify the type of reactions that are described below and cross off the incorrectly written part of the product and write in the correction. S for synthesis DR for double replacement SR for single replacement D for decomposition 1.) Fe + HCI → FeCl3 +H 2.) Al + C12 - Al(C12)3 3.) Br2 + Fel3 + Fe + Bri 4.) Mg(OH)2 + H3PO4 → Mg3(PO4)2 + H3(OH)2 5.) HBr + H2 + Br 6.) K2504 +CaCl2 → K2C12 + CaSO4.

Answer 1

1) Fe + HCl -------> FeCl3 + H+  It is single replacement reaction

2) Al + Cl2 --------> AlCl3 It is synthesis reaction the product wil be AlCl3 not Al(Cl2)

3) Br2 + FeI3  ------> FeBr3 + BrI The product will be FeBr3 not Fe it is Double displacement reaction

4) Mg(OH)2 + H3PO4 -------> Mg3(PO4)2 + H2O The H3(OH)2 will not be the product It is single displacement reaction