The answer is (3) HClO. In the Cl2, chlorine has an oxidation number of zero. In HCl, the oxidation number is -1. In HClO2, the oxidation number is +3. In HClO, it is +1. You can calculate this by using O with oxidation number of -2 and H with +1.
        
             
        
        
        
Answer:
Double Displacement (Acid-Base)
Explanation:
 
        
             
        
        
        
Answer:
do you have any vocabulary to help you with this or no
 
        
             
        
        
        
Answer:
3 Pb(NO3)2 + Al2(SO4)3 = 2 Al(NO3)3 + 3 PbSO4 
Explanation:
I think your equation is incorrect? This is balanced and the sum of coefficients is 9.