1.

Go through the following flow sheet. Based on, it answer the questions given at the end of it. Yellow coloured solution (B) is of:

Answer»

`Na_(2)CrO_(4)` formed by oxidation of `Cr^(3+)` by `H_(2)O_(2)` in ALKALINE medium
`FeCI_(2)` formed by REDUCTION of `FeCI_(3)` by `H_(2)O_(2)`
`FeCI_(3)` formed by oxidation of `FeCI_(2)` by `H_(2)O_(2)`
`Cu(OH)_(2)` formed by precipitation of `CuCI_(2)` by `H_(2)O_(2)//NaOH`

Solution :`{:((A)rarrCrCI_(3),,(B)rarrNa_(2)CrO_(4),),((C)rarrNa_(2)Cr_(2)O_(7),,(D)RARR(NH_(4))_(2)Cr_(2)O_(7)),((E)rarrCrO_(2)CI_(2),,(F)rarrPbCrO_(4),),((G)rarrN_(2),,(H)rarrCr_(2)O_(3),),((I)rarrLi_(3)N,,(J)rarrNH_(3)):}`


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