A metal complex having composition `[Cr(NH_(3))_(4)Br_(2)I]` was isolated in two forms (X) and (Y). Form (X) reacts with `AgNO_(3)` to give a pale yellow precipitate which is partially soluble in excess of `NH_(4)OH` whereas (Y) gives a greenish yellow precipitate which is insoluble in `NH_(4)OH`.Which of the following statement is true?A. (X)-cis form optically inactive (Y)-cis form optically activeB. (X)-cis form optically inactive (Y)- trans form optically activeC. The cis and trans forms of both X and Y are optically activeD. The cis and trans form of both X and Y are optically inactive.

A metal complex having composition `[Cr(NH_(3))_(4)Br_(2)I]` was isola

1.	A metal complex having composition `[Cr(NH_(3))_(4)Br_(2)I]` was isolated in two forms (X) and (Y). Form (X) reacts with `AgNO_(3)` to give a pale yellow precipitate which is partially soluble in excess of `NH_(4)OH` whereas (Y) gives a greenish yellow precipitate which is insoluble in `NH_(4)OH`.Which of the following statement is true?A. (X)-cis form optically inactive (Y)-cis form optically activeB. (X)-cis form optically inactive (Y)- trans form optically activeC. The cis and trans forms of both X and Y are optically activeD. The cis and trans form of both X and Y are optically inactive.
Answer» Correct Answer - d X has one `Br^(-)` ion outside the co-ordination sphere. Y has `I^(-)` outside the co-ordination sphere. Note AgBr is partially soluble in ammonia whereas AgI is insoluble.

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