1.

A metal complex Cr(NH_(3))_(4)Cl_(2) having molar conductivity corresponding to 1:1 electrolyte have been isolated in two Forms (X) and (Y), (X) reacts with AgNO_(3) giving white precipitate which turns yellow on reaction with sodium arsenite whereas (Y) gives a yellow precipitate soluble in concentrate NH_(4)OH Which of the following statements is true for the complex (X) and (Y) ?

Answer»

The EFFECTIVE atomic number of chromium in both the COMPLEXES is 33.
Both can exist as diastereomers.
Both CIS and TRANS forms of (X) have same dipole moment.
All of these

Solution :`underset(d^(3))(X) to underset(d^(2)sp^(3))[Cr(NH_(3))_(4)ClBr]Cl,(Y) to underset(d^(2)sp^(3),mu=3.8 B.M.)[Cr(NH_(3))_(4)Cl_(2)]Br`
`"EAN" to 24-3+12=33`
Both X and Y can show G.I.


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