1.

Identify (A),(B),(C ) and (D) and examplereactions . (A) (green coloured salt) + K_(2)Cr_(2)O_(7) + "conc" H_(2)SO_(4) overset(Delta) to(B) (B) (redidish brown gas) + NaOH rarr ( C) (C ) + (CH_(3)COO)_(2)Pb rarr (D ) (yellow ppt) (A) +NaOH + Br_(2) water overset(Delta) to (C ) (C ) + (CH_(3)COO)_(2) Pb overset(Delta) to (D)

Answer»

Solution :(A) `CrCI_(3)`
(B) `CrO_(2)CI_(2)` [by chromyl-chloride4 REST of `CI^(THETA)]`
(C ): `NaCrO_(4)`
(D): `PbCrO_(4)`


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