Chemistry, asked by lavanyamarupilla, 4 days ago

OH +2 Zn+NO; →NH + Zn+2 3​

Answers

Answered by Anonymous
0

Answer:

MARKAS BRAINLIEST

Explanation:

The unbalanced redox equation is as follows:

Zn+NO  

3

→ZnO  

2

2−

+NH  

3

 

All atoms other than H and O are balanced.

The oxidation number of Zn changes from  0 to +2. The change in the oxidation number of Zn is +2.

The oxidation number of N changes from +5 to -3. The change in the oxidation number of N is 8.

The increase in the oxidation number is balanced with decrease in the oxidation number by multiplying

Zn and ZnO  

2

2−

 with 4.

4Zn+NO  

3

→4ZnO  

2

2−

+NH  

3

 

O atoms are balanced by adding 5 water molecules on LHS..

4Zn+NO  

3

+5H  

2

O→4ZnO  

2

2−

+NH  

3

 

Hydrogen atoms are balanced by adding 7 H  

+

 atoms on the LHS.

4Zn+NO  

3

+5H  

2

O→4ZnO  

2

2−

+NH  

3

+7H  

+

 

Since the reaction occurs in basic medium, add 7 hydroxide ions on both sides of the equation.

4Zn+NO  

3

+5H  

2

O+7OH  

→4ZnO  

2

2−

+NH  

3

+7H  

+

+7OH  

 

On RHS, 7 H  

+

 ions combine with 7 OH  

 ions to form 2 water molecules out of which, five water molecules cancels with one water molecule on LHS.

4Zn+NO  

3

+7OH  

→4ZnO  

2

2−

+NH  

3

+2H  

2

O

This is the balanced chemical equation.

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