1.

In a chemical reaction K_2Cr_2O_7+xH_2SO_4+ySO_2 to K_2SO_4+Cr_2(SO_4)_3+zH_2O the values of x,y and z are

Answer»

`1,3,1`
`4,1,4`
`3,2,3`
`2,1,2`

ANSWER :A


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