which equation is not balance

C2H2(g)+ 402(g)+2CO2(g)+2H20(g)
Fe(OH)3 (s) + H3PO4(aq) -+ FePO4(s) + 3H2O (1)
2HCl(aq) +Cr(s) -+ CrCl2(aq) + H2 (g)

1 answer

The second equation is not balanced.