Question

F. BALANCE THE FOLLOWING EQUATIONS :

1. Cu + HNO3 -> Cu(NO3)2 + H2O + NO2

2. KMnO4 + HCI - KCI + MnCl2 + H2O + Cl2

3. AL2O3 + H2SO4 -> Al(SO4)3 + H2O

4. Pb(NO3)2-PbO + NO, + O2

5. KMnO4KMnO4 + MnO2 + O2
​

Answer 1

Answer:

Balanced equation is,

3Cu+8HNO

3

⟶3Cu(NO

3

)

2

+2NO+4H

2

O

Answer 2

Answer:

1) Cu + 4HNo3 => Cu(No3)2 + 2H2O + 2No2

2) 2KMnO4 + 8HCl => 2KCl + 2MnCl2 + 4H2O + Cl2 + 2O2

3) Al2O3 + 3H2So4 => 2Al(So4)3 + 3H2O

4) 2Pb(No3)2 => 2PbO + No2 + O2

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