Question

[Thanh thảo]

Viết phương trình phản tử, phương trình ion đầy đủ và phương trình ion rút gọn cho các phản ứng sau?

1. NaCl + HNO3   
2. Pb(OH)2(r) +HNO3
3. Fe2(SO4)3 + AlCl3      
4. K2S + H2SO4     
5. KHCO3 + HCl     
6. Cu(NO3)2 + Na2SO4   
7. NaHS + HCl   
8. KNO3 + NaCl
9. Pb(NO3)2 + H2S
10. K2CO3 + NaCl        
11. Al(OH)3 + HNO3     
12. Zn(OH)2 + HCl       
13. Fe(NO3)3 + Ba(OH)2    
14. KCl + AgNO3    
15.K2CO3 + H2SO4    
16. Al2(SO4)3 + Ba(NO3)2   
17. Na2S + HCl

Answer 1

[Kudo Shinichi]

STT	PT phân tử	PT ion rút gọn
1.	\(NaCl+HNO_3\rightarrow\times\)
2.	\(Pb\left(OH\right)_2+2HNO_3\rightarrow Pb\left(NO_3\right)_2+2H_2O\)	\(OH^-+H^+\rightarrow H_2O\)
3.	\(Fe_2\left(SO_4\right)_3+AlCl_3\rightarrow\times\)
4.	\(K_2S+H_2SO_4\rightarrow K_2SO_4+H_2S\uparrow\)	\(S^{2-}+2H^+\rightarrow H_2S\uparrow\)
5.	\(KHCO_3+HCl\rightarrow KCl+CO_2\uparrow+H_2O\)	\(HCO_3^-+H^+\rightarrow H_2O+CO_2\uparrow\)
6.	\(Cu\left(NO_3\right)_2+Na_2SO_4\rightarrow\times\)
7.	\(NaHS+HCl\rightarrow NaCl+H_2S\uparrow\)	\(HS^-+H^+\rightarrow H_2S\uparrow\)
8.	\(KNO_3+NaCl\rightarrow\times\)
9.	\(Pb\left(NO_3\right)_2+H_2S\rightarrow PbS\downarrow+2HNO_3\)	\(Pb^{2+}+S^{2-}\rightarrow PbS\downarrow\)
10.	\(K_2CO_3+NaCl\rightarrow\times\)
11.	\(Al\left(OH\right)_3+3HNO_3\rightarrow Al\left(NO_3\right)_3+3H_2O\)	\(OH^-+H^+\rightarrow H_2O\)
12.	\(Zn\left(OH\right)_2+2HCl\rightarrow ZnCl_2+2H_2O\)	\(OH^-+H^+\rightarrow H_2O\)
13.	\(2Fe\left(NO_3\right)_3+3Ba\left(OH\right)_2\rightarrow2Fe\left(OH\right)_3\downarrow+3Ba\left(NO_3\right)_2\)	\(Fe^{3+}+3OH^-\rightarrow Fe\left(OH\right)_3\downarrow\)
14.	\(KCl+AgNO_3\rightarrow AgCl\downarrow+KNO_3\)	\(Cl^-+Ag^+\rightarrow AgCl\downarrow\)
15.	\(K_2CO_3+H_2SO_4\rightarrow K_2SO_4+CO_2\uparrow+H_2O\)	\(CO_3^{2-}+2H^+\rightarrow CO_2\uparrow+H_2O\)
16.	\(Al_2\left(SO_4\right)_3+3Ba\left(NO_3\right)_2\rightarrow2Al\left(NO_3\right)_3+3BaSO_4\downarrow\)	\(SO_4^{2-}+Ba^{2+}\rightarrow BaSO_4\downarrow\)
17.	\(Na_2S+2HCl\rightarrow2NaCl+H_2S\uparrow\)	\(S^{2-}+2H^+\rightarrow H_2S\uparrow\)

Answer 2

[Nguyễn Lê Phước Thịnh]

1: \(NaCl+HNO_3\) thì ko có phản ứng

2: \(Pb\left(OH\right)_2+2HNO_3\rightarrow Pb\left(NO_3\right)_2+2H_2O\)

=>\(H^++OH^-\rightarrow H_2O\)

4: \(K_2S+H_2SO_4\rightarrow K_2SO_4+H_2S\uparrow\)

=>H⁺+S^2-->H₂S