In a chemical reaction, K(2)Cr(2)O(7)+xH...

In a chemical reaction, `K_(2)Cr_(2)O_(7)+xH_(2)SO_(4)+ySO_(2) to K_(2)SO_(4)+ Cr(SO_(4))_(3) +zH_(2)O, ` , the value x, y and z respectively are:

A

`1,3,1`

B

`2,2,1`

C

`1,1,3`

D

`1,2,1`

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The correct Answer is:

1

Balanced chemical is
`K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+3SO_(2)rarrK_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+H_(2)O`

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In the chemical reaction, K_(2)Cr_(2)O_(7)+xH_(2)SO_(4)+ySO_(2)rarrK_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+zH_(2)O x,y, and z are

In the chemical reaction, K_2 Cr_2 O_7 + xH_2 SO_4 + ySO_2 rarr K_2SO_4 + Cr_2(SO_4)_3 + zH_2O, the value of x,y and z respectively are :

K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)

Balance the equations given below : K_2Cr_2O_7 + H_2SO_4 +SO_2 to K_2SO_4 + Cr_2(SO_4)_3 + H_2O

Taking the example of the reaction K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+FeSO_(4)toK_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+Fe_(2)(SO_(4))_(3)+H_(2)O, explain how a redox reaction is balanced by oxidation number method.

The conversion of K_(2)Cr_(2)O_(7) into Cr_(2)(SO_(4))_(3) is

K_(2)Cr_(2)O_(7) overset(Delta) to K_(2)CrO_(4)+Cr_(2)O_(3)+O_(2)uarr

Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)

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