MÔT SÔ PHAN NG HO A HOC TAO RA N CHÂT TH NG G P          

*phan ng cu a kim loai tac dung v i n c       
+ kim loai kiêm va Ba, Ca phan ng nhiê t ô th ng tao khi H2           
M + H2O M(OH)n + (n/2)H2
+ Môt sô kim loai phan ng c v i n c nhiê t ô cao, giai phong khi H2              
- t 80¤C ê n 100¤C: Mg  
Mg + H2O M gO + H2
- t 200¤C ê n 600¤C: Mn, Zn, Cr, Fe  
xM + yH2O MxOy + yH2
+ cac kim loai tao hidroxit l ng tinh nh Al, Zn,      
2Al sach + 6H2O 2Al(OH)3 + 2H2 
*phan ng cu a kim loai v i axit    
1. kim loai ng tr c H trong day iên hoa v i axit co gôc axit k co tinh oxi hoa(HCl, H2SO4             
loang, )
vi du: Zn + 2HCl ZnCl2 + H2  
2. Kim loai(tr Au, Pt) v i axit co gôc axit co tinh oxi hoa(H2SO4 c, HNO3): phan ng ta o         

  
san phan kh la n chât (S, N2)     
vi du: v i kim loai M, hoa tri cao nhât m, ta co       
10M + 12mHNO3 10M(NO3)m + mN2 + 6mH2O
3xM + 4yH2SO4 c 3Mx(SO4)y + yS + 4yH2O


+CHU Y: nhiê t ô thâp(lanh), va nông ô rât loang thi HNO3 td v i Fe sinh khi H2                
Fe + HNO3 rât loang Fe(NO3)2 + H2  
*phan ng nhiê t phân  
1. Nhiêt phân muôi nitrat: khi nung muôi nitrat nhiê t ô cao thi phan ng luôn sinh ra O2.         
2NaNO3 2NaNO2 + O2
2Cu(NO3)2 2CuO + O2 + 4NO2

Fe + CuSO4 FeSO4 + Cu
Cu + 2AgNO3 Cu(NO3)2 + 2Ag
*phan ng kh oxit kim loa i: cac oxit cua kim loai trung binh, yêu.        
vi du: 
2Al + Fe2O3 2Fe + Al2O3 (xuc tac:nhiêt ô )     
H2 + CuO H2O + Cu
FeO + CO Fe + CO2
2ZnO + C 2Zn + CO2
*môt sô phan ng kha c    
NaCl + H2O ( pdd k mang ng n) NaClO + H2   
KH + H2O KOH + H2
3CuO + 2NH3 3Cu + N2 + 3H2O
Be + 2NaOH Na2BeO2 + H2
Al + NaOH + H2O NaAlO2 + (3/2)H2
2FeCl3 + H2S 2FeCl2 + 2HCl + S
2FeCl3 + 2KI 2FeCl2 + 2KCl + I2
Fe(NO3)2 + AgNO3 Fe(NO3)3 + Ag
4CuO 2Cu2O + O2 (nung 1000¤C)
(NH4)2Cr2O7 Cr2O3 + N2 + 4H2O (nung)
I2 + H2S 2HI + S
Br2 + 2HI 2HBr + I2
Br2 + 2KI 2KBr + I2
I2 + 2KClO3 2KIO3 + Cl2
2NH3 + 3Cl2 N2 + 6HCl
MnO2 + 4HCl MnCl2 + Cl2 + 2H2O
2KMnO4 + 16HCl 2MnCl2 + 2KCl + 5Cl2 + 8H2O
KClO3 + 6HCl KCl + 3Cl2 + 3H2O
K2Cr2O7 + 14HCl 2CrCl3 + 2KCl + 3Cl2 + 7H2O
CaOCl2 + 2HCl CaCl2 + Cl2 + H2O
H2SO4 c + 2HBr SO2 + Br2 + 2H2O

Ca3(SO4)2 + 3SiO2 + 5C 3CaSiO3 + 2P + 5CO
C + H2O CO + H2
CO + H2O + PdCl2 Pd + 2HCl + CO2
Si + 2KOH + 2H2O K2SiO3 + H2
SiO2 + 2F2 SiF4 + O2
2H2O2 2H2O + O2 (xuc tac: MnO2)  
H2O2 + Ag2O 2Ag + H2O + O2
2Ag + O3 Ag2O + O2
2KI + O3 + H2O I2 + 2KOH + O2