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Question: A metal complex having composition Cr(NH<sub>3</sub>)<sub>4</sub>Cl<sub>2</sub>Br has been isolated ...

A metal complex having composition Cr(NH3)4Cl2Br has been isolated in two forms (1) and (2). The form (1) reacts with AgNO3 to give a white precipitate of AgCl.

Select incorrect Statement

A

Form (2) can show optical isomerism

B

Form (1) has two geometrical isomers.

C

IUPAC name of form (1) is Tetraammine bromo chloro chromium (III) chloride

D

Form (2) has octahedral geometry

Answer

Form (2) can show optical isomerism

Explanation

Solution

Form (1) is [Cr(NH3)4Cl B2]Cl

Form (2) is [Cr(NH3)4Cl2]Br