Viết PTHH của các chất: \(KOH;NaOH;Ca\left(OH\right)_2;Ba\left(OH\right)_2;Cu\left(OH\right)_2;Al\left(OH\right)_3;Mg\left(OH\right)_2;Zn\left(OH\right)_2;Fe\left(OH\right)_2;Fe\left(OH\right)_3\) với \(CO_2\) và \(SO_2\)
Phân loại mỗi chất sau: \(CaO,SO_2,Na_2O,SO_3,N_2O_5,HNO_3,HNO_2,FeS.CáO_3,Fe\left(OH\right)_3,Al\left(OH\right)_3,KHCO_3,FeHPO_4.Fe\left(NO_3\right)_2,Fe\left(NO_3\right)_3,NaH_2PO_4,Na_2HPO_4\)
Oxit bazo : \(CaO,Na_2O\)
Oxit axit : \(SO_2,SO_3,N_2O_5\)
Axit : \(HNO_3,HNO_2\)
Bazo : \(Fe(OH)_3,Al(OH)_3\)
Muối : \(FeS,CaSO_3,KHCO_3,FeHPO_4,Fe(NO_3)_2,Fe(NO_3)_3,NaH_2PO_4,Na_2HPO_4\)
\(\text{Oxit axit : }\) \(SO_2,SO_3,N_2O_5\)
\(\text{Oxit bazo : }\)\(CaO,Na_2O\)
\(\text{Axit : }\)\(HNO_3,HNO_2\)
\(\text{Bazo : }\)\(Fe\left(OH\right)_3,Al\left(OH\right)_3\)
\(\text{Muối : }\) \(FeS,CaSO_3,KHCO_3,FeHPO_4,Fe\left(NO_3\right)_2,Fe\left(NO_3\right)_3,NaH_2PO_4,NaHPO_4\)
Phân loại và gọi tên các hợp chất có công thức hoá học sau: \(K_2O\), \(Mg\left(OH\right)_2\), \(H_2SO_4\), \(AICI_3\), \(Na_2CO_3\), \(CO_2\), \(Fe\left(OH\right)_3\), \(HNO_3\), \(K_3PO_4\), \(HCI\), \(H_2S\), \(CuO\), \(Ba\left(OH\right)_2\).
| CTHH | Phân loại | Gọi tên |
| K2O | Oxit | Kali oxit |
| Mg(OH)2 | Bazơ | Magie hiđroxit |
| H2SO4 | Axit | Axit sunfuric |
| AlCl3 | Muối | Nhôm clorua |
| Na2CO3 | Muối | Natri cacbonat |
| CO2 | Oxit | Cacbon đioxit |
| Fe(OH)3 | Bazơ | Sắt (III) hiđroxit |
| HNO3 | Axit | Axit nitric |
| K3PO4 | Muối | Kali photphat |
| HCl | Axit | Axit clohiđric |
| H2S | Axit | Axit sunfuhiđric |
| CuO | Oxit | Đồng (II) oxit |
| Ba(OH)2 | Bazơ | Bari hirđoxit |
| CTHH | Phân loại | tên gọi |
| K2O | oxit | kali oxit |
| Mg(OH)2 | bazo | Magie hidroxit |
| H2SO4 | axit | axit clohidric |
| AlCl3 | muối | nhôm clorua |
| Na2CO3 | muối | natricacbonat |
| CO2 | oxit | cacbon dioxit |
| Fe(OH)2 | bazo | sắt (III) hidroxit |
| HNO3 | axit | axit nitric |
| K2PO4 | muối | kali photphat |
| HCl | axit | axit clohidric |
| H2S | axit | axit sunfuhidric |
| CuO | oxit | đồng (II) oxit |
| Ba(OH)2 | bazo | bari hidroxit |
\(K_2O:\) oxit bazo: kali oxit
\(Mg\left(OH\right)_2:\) bazo: magie hidroxit
\(H_2SO_4:\) axit: axit sunfuric
\(AlCl_3:\) muối: nhôm clorua
\(Na_2CO_3:\) muối: natri cacbonat
\(CO_2:\) oxit axit: cacbon đioxit
\(Fe\left(OH\right)_3:\) bazo: sắt (lll) hidroxit
\(HNO_3:\) axit: axit nitric
\(K_3PO_4:\) muối: kali photphat
\(HCl:\) axit: axit clohidric
\(H_2S:\) axit: axit sunfuro
\(CuO:\) oxit bazo: đồng (ll) oxit
\(Ba\left(OH\right)_2\): bazo: bari hidroxit
Câu 1 ) A / Mg(NO3) \(\underrightarrow{\left(1\right)}\) Mg(OH)2 \(\underrightarrow{\left(2\right)}\) MgCl2\(\underrightarrow{\left(3\right)}\) KCl \(\underrightarrow{\left(4\right)}\) KNO3
B/ \(Na\underrightarrow{\left(1\right)}Na_2O\underrightarrow{\left(2\right)}NaOH\underrightarrow{\left(3\right)}Na_2SO_4\underrightarrow{\left(4\right)}NaCl\underrightarrow{\left(5\right)}NaNO_3\underrightarrow{\left(6\right)}NaCl\underrightarrow{\left(7\right)}NaOH\)
C/\(Mg\underrightarrow{\left(1\right)}MgO\underrightarrow{\left(2\right)}MgCl_2\underrightarrow{\left(3\right)}Mg\left(NO_3\right)_2\underrightarrow{\left(4\right)}Mg\left(OH\right)_2\underrightarrow{\left(5\right)}MgSO_4\underrightarrow{\left(6\right)}MgCO_3\)
D/\(CuSO_4\underrightarrow{\left(1\right)}Cu\left(OH\right)_2\underrightarrow{\left(2\right)}CuO\underrightarrow{\left(3\right)}CuCl_2\underrightarrow{\left(4\right)}Cu\left(OH\right)_2\underrightarrow{\left(5\right)}CuSO_4\)
E/\(CuCl_2\underrightarrow{\left(1\right)}Cu\left(OH\right)_2\underrightarrow{\left(2\right)}CuSO_4\underrightarrow{\left(3\right)}Cu\underrightarrow{\left(4\right)}CuO\)
F/ \(Cu\left(OH\right)_2\underrightarrow{\left(1\right)}CuO\underrightarrow{\left(2\right)}CuCl_2\underrightarrow{\left(3\right)}Cu\left(NO_3\right)_2\underrightarrow{\left(4\right)}NaNO_3\)
G/\(Fe_2O_3\underrightarrow{\left(1\right)}FeCl_3\underrightarrow{\left(2\right)}Fe\left(OH\right)_3\underrightarrow{\left(3\right)}Fe_2O_3\underrightarrow{\left(4\right)}Fe_2\left(SO_4\right)_3\)
H/ \(ZnCl_2\underrightarrow{\left(1\right)}Zn\left(OH\right)_2\underrightarrow{\left(2\right)}ZnCl_2\underrightarrow{\left(3\right)}NaCl\underrightarrow{\left(4\right)}NaNO_3\)
M/\(CuO\underrightarrow{\left(1\right)}CuCl_2\underrightarrow{\left(2\right)}Cu\left(OH\right)_2\underrightarrow{\left(3\right)}CuO\underrightarrow{\left(4\right)}CuSO_4\)
N/\(Fe\left(OH\right)_2\underrightarrow{\left(1\right)}FeO\underrightarrow{\left(2\right)}FeCl_2\underrightarrow{\left(3\right)}Fe\left(ỌH_2\right)\underrightarrow{\left(4\right)}FeSO_4\underrightarrow{\left(5\right)}FeCl_2\underrightarrow{\left(6\right)}Fe\left(NO_3\right)_2\)
Z/ \(Mg\left(OH\right)_2\underrightarrow{\left(1\right)}MgO\underrightarrow{\left(2\right)}MgSO_4\underrightarrow{\left(3\right)}MgCl_2\underrightarrow{\left(4\right)}Mg\left(OH\right)_2\underrightarrow{\left(5\right)}MgCl_2\underrightarrow{\left(6\right)}Mg\left(NO_3\right)_2\)
X/\(Al\left(OH\right)_3\underrightarrow{\left(1\right)}Al_2O_3\underrightarrow{\left(2\right)}AlCl_3\underrightarrow{\left(3\right)}Al\underrightarrow{\left(4\right)}Al_2\left(SO_4\right)_3\)
g) 1. Fe2O3 + 6HCl → 2FeCl3 + 3H2O
2. FeCl3 + 3NaOH → 3NaCl + Fe(OH)3↓
3. 2Fe(OH)3 \(\underrightarrow{to}\) Fe2O3 + 3H2O
4. Fe2O3 + 3H2SO4 → Fe2(SO4)3 + 3H2O
h) 1. ZnCl2 + 2NaOH → 2NaCl + Zn(OH)2↓
2. Zn(OH)2 + 2HCl → ZnCl2 + 2H2O
3. ZnCl2 + 2NaOH → 2NaCl + Zn(OH)2↓
4. NaCl + AgNO3 → NaNO3 + AgCl↓
m) 1. CuO + 2HCl → CuCl2 + H2O
2. CuCl2 + 2NaOH → 2NaCl + Cu(OH)2↓
3. Cu(OH)2 \(\underrightarrow{to}\) CuO + H2O
4. CuO + H2SO4 → CuSO4 + H2O
Viết các PTHH thực hiện các chuỗi biến hóa sau, ghi rõ điều kiện phản ứng ( nếu có ) :
a, \(SO_2\rightarrow Na_2SO_3\rightarrow Na_2SO_4\rightarrow NaOH\rightarrow Na_2CO_3\)
b, \(CaO\rightarrow CaCO_3\rightarrow CaO\rightarrow Ca\left(OH\right)_2\rightarrow CaCO_3\rightarrow CaSO_4\)
c, \(Fe\rightarrow FeCl_3\rightarrow Fe\left(OH\right)_3\rightarrow Fe_2O_3\rightarrow Fe_2\left(SO_4\right)_3\rightarrow FeCl_3\)
d, \(Fe\rightarrow FeCl_2\rightarrow Fe\left(NO_3\right)_2\rightarrow Fe\left(OH\right)_2\rightarrow FeSO_4\)
e, \(Cu\rightarrow CuO\rightarrow CuCl_2\rightarrow Cu\left(OH\right)_2\rightarrow CuO\rightarrow Cu\rightarrow CuSO_4\)
f, \(Al_2O_3\rightarrow Al\rightarrow AlCl_3\rightarrow NaCl\rightarrow NaOH\rightarrow Cu\left(OH\right)_2\)
a) SO2 + Na2O -> Na2SO3
Na2SO3 + H2SO4 -> Na2SO4 + SO2 + H2O
Na2SO4 + Ba(OH)2 -> BaSO4 \(\downarrow\)+ 2NaOH
2NaOH + CO2 -> Na2CO3 + H2O
b) CaO + CO2 -> CaCO3
CaCO3 \(\rightarrow^{t^o}\) CaO + CO2
CaO + H2O -> Ca ( OH)2
Ca ( OH)2 + CO2 -> CaCO3 + H2O
CaCO3 + H2SO4 -> CaSO4 + CO2 + H2O
c) 2Fe + 3Cl2 \(\rightarrow^{t^o}\) 2FeCl3
FeCl3 + 3NaOH -> Fe(OH)3 \(\downarrow\) + 3NaCl
2Fe(OH)3 \(\rightarrow^{t^o}\) Fe2O3 + 3H2O
Fe2O3 + 3H2SO4 -> Fe2(SO4)3 + 3H2O
Fe2(SO4)3 + 3BaCl2 -> 2FeCl3 + 3BaSO4\(\downarrow\)
d) Fe + 2HCl -> FeCl2 + H2
FeCl2 + 2AgNO3 -> 2AgCl\(\downarrow\) + Fe(NO3)2
Fe(NO3)2 + 2NaOH -> Fe(OH)2\(\downarrow\) + 2NaNO3
Fe(OH)2 + H2SO4 -> FeSO4 + 2H2O
a, SO2 + 2NaOH \(\rightarrow\)Na2SO3 + H2O
Na2SO3 + H2SO4 \(\rightarrow\)Na2SO4 + H2O + SO2
Na2SO4 + Ba(OH)2\(\rightarrow\) BaSO4+ 2 NaOH
CO2 + 2 NaOH \(\rightarrow\)Na2CO3 + H2O
b, CaO + CO2\(\rightarrow\) CaCO3
CaCO3 -t0-> CaO + CO2
CaO + H2O \(\rightarrow\)Ca(OH)2
Ca(OH)2 + CO2 \(\rightarrow\)CaCO3 + H2O
CaCO3 + H2SO4 \(\rightarrow\)CaSO4 + H2O + CO2
c, 2Fe + 3Cl2 -t0-> 2FeCl3
FeCl3 + 3NaOH \(\rightarrow\)Fe(OH)3 + 3NaCl
2Fe(OH)3 -t0-> Fe2O3 + 3H2O
Fe2O3 + 3H2SO4 \(\rightarrow\)Fe2(SO4)3 + 3H2O
Fe2(SO4)3 + 3BaCl2 \(\rightarrow\)2FeCl3 + 3BaSO4
d, Fe + 2HCl \(\rightarrow\)FeCl2 + H2
FeCl2 + 2AgNO3 \(\rightarrow\)Fe(NO3)2 + 2AgCl
Fe(NO3)2 + 2NaOH \(\rightarrow\)Fe(OH)2 + 2NaNO3
Fe(OH)2 + H2SO4\(\rightarrow\) FeSO4 + 2H2O
e, 2Cu + O2 -t0-> 2CuO
CuO + 2HCl \(\rightarrow\)CuCl2 + H2O
CuCl2 + 2NaOH\(\rightarrow\) Cu(OH)2 + 2NaCl
Cu(OH)2 -t0-> CuO + H2O
CuO + H2 -t0-> Cu + H2O
Cu + 2H2SO4đặc \(\rightarrow\)CuSO4 + SO2 + 2H2O
f, 2Al2O3 -đpnc/ criolit-> 4Al + 3O2
2Al + 3Cl2 -t0-> 2AlCl3
AlCl3 + 3NaOH \(\rightarrow\)Al(OH)3 + 3NaCl
2NaCl + 2H2O -đpmn-> 2NaOH + Cl2 + H2
2NaOH + CuCl2 \(\rightarrow\)Cu(OH)2 + 2NaCl
Bài 1 : Chuỗi phản ứng :
a) \(Al\xrightarrow[]{\left(1\right)}Al_2O_3\xrightarrow[]{\left(2\right)}AlCl_3\xrightarrow[]{\left(3\right)}Al\left(OH\right)_3\)
b) \(Al\xrightarrow[\left(1\right)]{}Al_2O_3\xrightarrow[]{\left(2\right)}AlCl_3\xrightarrow[\left(3\right)]{}Al\left(OH\right)_3Al_2O_3\)
c) \(Fe\xrightarrow[]{\left(1\right)}FeSO_4\xrightarrow[]{\left(2\right)}FeCl_2\xrightarrow[]{\left(3\right)}Fe\left(OH\right)_2\xrightarrow[]{\left(4\right)}FeO\)
d) \(Zn\xrightarrow[]{\left(1\right)}ZnSO_4\xrightarrow[]{\left(2\right)}ZnCl_2\xrightarrow[]{\left(3\right)}Zn\left(OH\right)_2\xrightarrow[]{\left(4\right)}ZnO\)
e) \(Mg\left(OH\right)_2\xrightarrow[]{\left(1\right)}MgCl_2\xrightarrow[]{\left(2\right)}Mg\left(NO_3\right)_2\xrightarrow[]{\left(3\right)}Mg\left(OH\right)_2\xrightarrow[]{\left(4\right)}MgO\)
f) \(Fe\left(OH\right)_2\xrightarrow[]{\left(1\right)}FeO\xrightarrow[]{\left(2\right)}FeSO_4\xrightarrow[]{\left(3\right)}FeCl_2\xrightarrow[]{\left(4\right)}Fe\left(OH\right)_2\)
g) \(Fe\xrightarrow[]{\left(1\right)}FeCl_2\xrightarrow[]{\left(2\right)}Fe\left(NO_3\right)_2\xrightarrow[]{\left(3\right)}Fe\left(OH\right)_2\xrightarrow[]{\left(4\right)}FeSO_4\)
h) \(S\xrightarrow[]{\left(1\right)}SO_2\xrightarrow[]{\left(2\right)}SO_3\xrightarrow[]{\left(3\right)}H_2SO_4\xrightarrow[]{\left(4\right)}SO_2\)
k) \(Cu\xrightarrow[]{\left(1\right)}CuO\xrightarrow[]{\left(2\right)}CuSO_4\xrightarrow[]{\left(3\right)}Cu\left(NO_3\right)_2\xrightarrow[]{\left(4\right)}Cu\left(OH\right)_2\)
Bài 2 : Phân biệt các chất rắn
a) Hai chất rắn: \(Cao\) và \(P_2O_5\)
b) Hai chất rắn: BaO và \(P_2O_5\)
c) Hai chất rắn :\(Na_2O\) và \(P_2O_5\)
d) Hai chất rắn :\(K_2O\) và \(P_2O_5\)
e) Ba chất rắn : MgO, \(Na_2O\), \(P_2O_5\)
GIÚP MINH VỚI Ạ !!!!
Bài 2
a) -Cho nước vào
CaO+H2O---->Ca(OH)2
P2O5+3H2O--->2H2PO4
-Cho QT vào Ca(OH)2 và H3PO4
-Lm QT hóa xanh là Ca(OH)2
-->MT bđ là CaO
-Lm QT hóa đỏ là H3PO4
-->MT bđ là P2O5
b) -Cho nước
BaO+H2O--->Ba(OH)2
P2O5+3H2O--->2H2PO4
-Cho QT vào Ba(OH)2 và H3PO4
-Lm QT hóa xanh là Ba(OH)2
-->MT bđ là BaO
-Lm QT hóa đỏ là H3PO4
-->MT bđ là P2O5
c)-Cho nước vào
Na2O+H2O--->2NaOH
P2O5+3H2O--->2H2PO4
-Cho QT vào NaOH và H3PO4
-Lm QT hóa xanh là NaOH
-->MT bđ là Na2O
-Lm QT hóa đỏ là H3PO4
-->MT bđ là P2O5
d)
K2O+H2O--->2KOH
P2O5+3H2O--->2H2PO4
-Cho QT vào KOH và H3PO4
-Lm QT hóa xanh là KOH
-->MT bđ là K2O
-Lm QT hóa đỏ là H3PO4
-->MT bđ là P2O5
e)-Cho nước vào
+Ko tan là Mgo
+Tan là Na2O và P2O5
Na2O+H2O--->2NaOH
P2O5+3H2O--->2H2PO4
-Cho QT vào NaOH và H3PO4
-Lm QT hóa xanh là NaOH
-->MT bđ là Na2O
-Lm QT hóa đỏ là H3PO4
-->MT bđ là P2O5
a) Al(1)−→Al2O3(2)−→AlCl3(3)−→Al(OH)3Al→(1)Al2O3→(2)AlCl3→(3)Al(OH)3
b) Al−→(1)Al2O3(2)−→AlCl3−→(3)Al(OH)3Al2O3Al→(1)Al2O3→(2)AlCl3→(3)Al(OH)3Al2O3
c) Fe(1)−→FeSO4(2)−→FeCl2(3)−→Fe(OH)2(4)−→FeOFe→(1)FeSO4→(2)FeCl2→(3)Fe(OH)2→(4)FeO
d) Zn(1)−→ZnSO4(2)−→ZnCl2(3)−→Zn(OH)2(4)−→ZnOZn→(1)ZnSO4→(2)ZnCl2→(3)Zn(OH)2→(4)ZnO
e) Mg(OH)2(1)−→MgCl2(2)−→Mg(NO3)2(3)−→Mg(OH)2(4)−→MgOMg(OH)2→(1)MgCl2→(2)Mg(NO3)2→(3)Mg(OH)2→(4)MgO
f) Fe(OH)2→FeO+H2O
(2)FeO+H2SO4→FeSO4+H2O
(3)FeSO4+BaCl2→FeCl2+BaSO4
(4)FeCl2+2NaOH→Fe(OH)2+2NaCl
g) Fe(1)+2HCl→FeCl2+H2
(2)FeCl2+2AgNO3→Fe(NO3)2+2AgCl
(3)Fe(NO3)2+3NaOH→Fe(OH)2+2NaNO3
(4)Fe(OH)2+MgSO4→FeSO4+Mg(OH)2
h) S(1)+O2→SO2
(2)2SO2+O2→2SO3
(3)SO3+H2O→H2SO4
(4)6H2SO4+2Fe→Fe2(SO4)3+6H2O+2SO2
k) 2Cu(1)+O2→2CuO
(2)CuO+H2SO4→CuSO4+H2O
(3)CuSO4+Ba(NO3)2→Cu(NO3)2+BaSO4
(4)Cu(NO3)2+2NaOH→Cu(OH)2+2NaNO3
a) 4Al+3O2\(\rightarrow\)2Al2O3
(2) Al2O3+6HCl\(\rightarrow\)2AlCl3+3H2O
(3) AlCl3+3NaOH\(\rightarrow\)Al(OH)3+3NaCl
b)
4Al+3O2\(\rightarrow\)2Al2O3
Al2O3+6HCl\(\rightarrow\)2AlCl3+3H2O
AlCl3+3NaOH\(\rightarrow\)Al(OH)3+3NaCl
2Al(OH)3\(\rightarrow\)Al2O3+3H2O
c)
Fe+H2SO4\(\rightarrow\)FeSO4+H2
FeSO4+BaCl2\(\rightarrow\)FeCl2+BaSO4
FeCl2+2NaOH\(\rightarrow\)Fe(OH)2+2NaCl
Fe(OH)2\(\rightarrow\)FeO+H2O
d) Zn + H2SO4 \(\rightarrow\)ZnSO4 + H2
ZnSO4 + BaCl2 \(\rightarrow\) BaSO4 + ZnCl2
ZnCl2 + 2NaOH\(\rightarrow\) Zn(OH)2 + 2NaCl
Zn(OH)2 \(\underrightarrow{to}\) ZnO + H2O
e) Mg(OH)2 + 2HCl \(\rightarrow\) MgCl2 + 2H2O
MgCl2 + 2AgNO3 \(\rightarrow\) Mg(NO3)2 + 2AgCl
Mg(NO3)2 + 2NaOH \(\rightarrow\)Mg(OH)2 + 2NaNO3
Mg(OH)2 \(\rightarrow\) MgO + H2O
f) Fe(OH)2 \(\rightarrow\) FeO + H2O
FeO + H2SO4\(\rightarrow\)FeSO4 + H2O
FeSO4 + BaCl2 \(\rightarrow\) FeSO4 +BaCl2
FeCl2 + 2NaOH\(\rightarrow\)Fe(OH)3 + 2NaCl
g)Fe + 2HCl \(\rightarrow\) FeCl2 + H2
FeCl2 + Pb(NO3)2 -> PbCl2 + Fe(NO3)2
Fe(NO3)2 + 2NaOH \(\rightarrow\) Fe(OH)2 + 2NaNO3
Fe(OH)2 + H2SO4\(\rightarrow\) FeSO4 + 2H2O
h)S + O2 \(\rightarrow\) SO2
2SO2 + O2 \(\rightarrow\) 2SO3
SO3 + H2O \(\rightarrow\) H2SO4
Cu +2H2SO4 đ\(\rightarrow\) CuSO4 + SO2 + 2H2O
k) 2Cu + O2 \(\rightarrow\)2CuO
CuO + H2SO4 \(\rightarrow\) CuSO4 + H2O
CuSO4 + Ba(NO3)2 \(\rightarrow\) Cu(NO3)2 + BaSO4
Cu(NO3)2 + 2NaOH \(\rightarrow\) Cu(OH)2 + 2NaNO3
Hoàn thành PT phản ứng:
\(Al\rightarrow Al_2O_3\rightarrow AlCl_3\rightarrow Al_2\left(SO_4\right)_3\rightarrow Al\left(OH\right)_3\rightarrow Al\left(NO_3\right)_3\rightarrow Al\rightarrow AlCl_3\)
\(FeS_2\rightarrow SO_2\rightarrow SO_3\rightarrow H_2SO_4\rightarrow CuSO_4\rightarrow Na_2SO_4\rightarrow NaOH\)
\(P\rightarrow P_2O_5\rightarrow H_3PO_4\rightarrow Na_3PO_4\rightarrow NaCl\rightarrow NaOH\)
\(Cl_2\rightarrow NaCl\rightarrow H_2\rightarrow H_2O\rightarrow NaOH\rightarrow Na_2SO_4\rightarrow NaNO_3\)
\(CaCO_3\rightarrow CO_2\rightarrow Na_2CO_3\rightarrow MgCO_3\rightarrow MgO\rightarrow MgCl_2\rightarrow MgSO_4\rightarrow Mg\left(NO_3\right)_2\rightarrow MgO\rightarrow Mg_3\left(PO_4\right)_2\)
Thực hiện chuyển hóa:
\(a)K\rightarrow KO_2\rightarrow KOH\rightarrow K_2SO_4\rightarrow KCl\rightarrow KNO_3\)
\(b)K\rightarrow KOH\)
\(c)Ba\rightarrow BaO\rightarrow Ba\left(OH\right)_2\rightarrow BaCO_3\rightarrow BaO\rightarrow Ba\left(OH\right)_2\rightarrow Cu\left(OH\right)_2\rightarrow CuO\rightarrow Cu\rightarrow SO_2\)
Phân loại và gọi tên cascc hợp chất sau đây
a)\(P_2O_5;NaOH;H_2So_4;CaO\)
b)\(HCL;KOH;SO_3;Fe_2O_3\)
c)\(Al\left(OH\right)_3;Co_2;H_3PO_4;CuO\)
a/ phốtpho pentaoxit; natri hidroxit; axit sunfuric; canxi oxit
b/ axit clohydric; cali hidroxit; lưu huỳnh trioxit; sắt oxit
c/ nhôm hidroxit; cacbon dioxit; axit phosphoric; đồng ôxit
