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Oxidation Number Method

xH2SO4 + ySO2...

Question

$x H_{2} S O_{4} + y S O_{2} + z N a_{2} C r O_{4} ⟶ C r_{2} (S O_{4})_{3} + a N a_{2} S O_{4} + b H_{2} O$

In the above reaction, x, y, z, a and b are?

A

2, 3, 2, 2, 2

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B

2, 2, 2, 2, 2

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C

4, 3, 2, 1, 0

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D

0, 1, 2, 3, 4

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Solution

The correct option is A
2, 3, 2, 2, 2

2 $H_{2} S O_{4}$ +3 $S O_{2}$ +2 $N a_{2} C r O_{4}$ $⟶$ $C r_{2} (S O_{4})_{3}$ +2 $N a_{2} S O_{4}$ +2 $H_{2} O$

x =2, y =3, z=2,A =2 B= 2

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Similar questions

$x H_{2} S O_{4} + y S O_{2} + z N a_{2} C r O_{4} ⟶ C r_{2} (S O_{4})_{3} + a N a_{2} S O_{4} + b H_{2} O$

In the above reaction, x, y, z, a and b are?

X $H_{2} S O_{4}$ +Y $S O_{2}$ +Z $N a_{2} C r o_{4}$ $⟶$ $C r_{2} (S O_{4})_{3}$ ) +A $N a_{2} S O_{4}$ +B $H_{2} O$ X,Y,Z,AandB are?

Q. For the balanced chemical equation :

x H_{2} S O_{4} + y S O_{2} + z N a_{2} C r O_{4} ⟶ C r_{2} (S O_{4})_{3} + a N a_{2} S O_{4} + b H_{2} O

The value of x+y+z-a-b is :

X $H_{2} S O_{4}$ +Y $S O_{2}$ +Z $N a_{2} C r o_{4}$ $⟶$ $C r_{2} (S O_{4})_{3}$ ) +A $N a_{2} S O_{4}$ +B $H_{2} O$ X,Y,Z,AandB are?

Q. In a chemical reaction,

K_{2} C r_{2} O_{7} + x H_{2} S O_{4} + y S O_{2} \to K_{2} S O_{4} + C r_{2} (S O_{4})_{3} + z H_{2} O

x, y, z

are respectively:

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