50 examples of unbalanced chemical equations with answers

Asked by admin @ 29/08/2021 in Chemistry viewed by 1380 People

50 unbalanced chemical equations with their balanced form

Answered by admin @ 29/08/2021

1) CuO + 2HCl --> CuCl2 + H2O
2) Cu(OH)2 + H2SO4 --> CuSO4 + 2H2O
3) Na + OH --> NaOH
4) HCl + H2O --> H3O + Cl
5) HNO3 + H2O >< H3O + NO3 [>< is reversible reaction]
6) H2SO4 + 2H2O >< 2H3O + SO4
7) NH4 + OH >< NH4OH
8) H2SO4 + H2O >< H3O + HSO4
9) HSO4 + H2O >< H3O + SO4
10) Ca + 2OH >< Ca(OH)2
11) Cu + 2OH >< Cu(OH)2
12) H3PO4 + H20 >< H3O + H2PO4
13) H2PO4 + H2O >< H3O + HPO4
14) HPO4 + H2O >< H3O + PO4
15) H3PO4 + 3H2O >< 3H3O + PO4
16) NaOH + H2SO4 --> NaHSO4 + H2O
17) 2NaOH + H2SO4 --> Na2SO4 + 2H2O
18) NaOH + H3PO4 --> NaH2PO4 + H2O
19) 2NaOH + H3PO4 --> Na2HPO4 + 2H2O
20) 3NaOH + H3PO4 --> Na3PO4 + 3H2O
21) H2 + Cl2 --> 2HCL
22) H2 + I2 --> 2HI
23) 4Na + O2 --> 2Na2O
24) 2Mg + O2 --> 2MgO
25) CO2 + H2O --> H2CO3
26) SO2 + H2O --> H2SO3
27) SO3 + H2O --> H2SO4
28) P2O5 + 3H2O --> 2H3PO4
29) K2O + H2O --> 2KOH
30) Na2O + H2O --> 2NaOH
31) Na2O + H2O --> 2NaOH + H2
32) 2K + 2H2O --> 2KOH + H2
33) 2Na + 2H2O --> 2NaOH + H2
34) KNO3 + H2SO4 --> KHSO4 + HNO3
35) NaCl + H2SO4 --> NaHSO4 + HCl
36) AlCl3 + 3NaOH --> 3NaCl + Al(OH)3
37) FeSO4 + 2NaOH --> Na2SO4 + Fe(OH)2
38) 2Pb(NO3)2 --> 2PbO + 4NO2 + O2
39) CuO + H2SO4 --> CuSO4 + H2O
40) NaOH + HCl --> NaCl + H2O
41) Zn + 2HCl --> ZnCl2 + H2
42) S + O2 --> SO2
43) N + O2 --> NO2
44) H2O + SO2 --> H2SO3
45) H2O + SO3 --> H2SO4
46) 2NO + O2 --> 2NO2
47) 2H2 + O2 --> 2H2O
48) H2O + 2NO2 --> HNO2 + HNO3
49) CuCl2 + 2NaOH --> 2NaCl + Cu(OH)2
50) FeCl3 + 3NaOH --> 3NaCl + Fe(OH)3

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