Borax bead cannot be performed with which of the following salts – InterviewSolution

1.	Borax bead cannot be performed with which of the following salts
Answer» `CuCl_(2)` `FeCl_(2)` `CoS` `AlCl_(3)` SOLUTION :`NACL+K_(2)CrO_(7)+KSO_(4)rarrCrO_(2)Cl_(2)`(orange red ) `CrO_(2)Cl_(2)+NaOHrarrNa_(2)CrO_(4)("yellow")+NaCl` `Na_(2)CrO_(4)overset(H^(+))(rarr) Na_(2)Cr_(2)O_(7)`

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