Question

K2Cr2O7+xH2SO4+ySO2=K2SO4+Cr2(SO4)3+zH2O
Find x,y,z by balancing the redox reaction​

Answer 1

Explanation:

SO

2

+2H

2

O⟶(SO

4

)

2−

+4H

+

+2e

−

……(1)

(Cr

2

O

7

)

2−

+14H

+

+6e

−

⟶2G

3+

+7H

2

O…(2)

Multiplying (1) by 3 and adding (2),

3SO

2

+(Cr

2

O

7

)

2−

+2H

+

⟶3(SO

4

)

2−

+2Cr

3+

+H

2

O

Completing the reaction,

K

2

Cr

2

O

7

+H

2

SO

4

+3SO

2

⟶K

2

SO

4

+Cr

2

(SO

4

)

3

+H

2

O

Here, X=1,Y=3,Z=1

Answer 2

Answer:

x-1, y-3, z-1

This is yr answer

Explanation:

hope it helps:))