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A solid laboratory reagent (A) give following reactions. (i) It impart green colour of flame : (ii) Its solution does not give ppt. on passong H_(2)S. (iii) When it is heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4), a red gas (B) is evolved. The gas when passed in aq. NaOH solution turns it yellow (C). Identify (A), (B), (C) giving chemical reactions. |
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Answer» Solution :`A rarr BaCl_(2)` `B rarr CrO_(2)Cl_(2)` `C rarr Na_(2)CrO_(4)` |
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