A metal complex having composition exists in two forms A and B. Form A reacts with to give a white precipitate readily soluble in dilute ammonia. Form B gives a pale yellow precipitate. What is the fo

Question

A metal complex having composition $Cr(NH_3)_4Cl_2Br$ exists in two forms A and B. Form A reacts with $AgNO_3$ to give a white precipitate readily soluble in dilute ammonia. Form B gives a pale yellow precipitate. What is the formula of A?

Prashant Kotian · Accepted Answer

Correct answer: A. White ppt soluble in dil. is , meaning is outside the sphere. Pale yellow is , meaning is outside. Thus A has outside: [63, 64].

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