1.

A metal complex having the composition or (NH_(3))_(4)Cl_(2)Br has been isolated in two form A and B. The form A reacts with AgNO_(3) to give a white precipitate readily soluble in dilute aqueous ammonia whereas B gives a pale yellow precipitate soluble in concentrated ammonia .The formule of the complex B is

Answer»

`[Cr(NH_(3))_(4)Br]Cl_(2)`
`[Cr(NH_(3))_(4)CLBR]Cl`
`[Cr(NH_(3))_(4)Cl_(2)]Br`
`[Cr(NH_(3))_(4)]BrCl_(2)`

Answer :C


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