If(X) turns acidified K_(2)Cr_(2)O_(7) solution green , then then X ma – InterviewSolution

1.	If(X) turns acidified K_(2)Cr_(2)O_(7) solution green , then then X may be
Answer» `SO_(2)` `CO_(2)` `NO_(2)^(Θ)` `FE^(2+)` ANSWER :a,C,d

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