Which of the following statement(s) is/are not true about the complex ion : ${[C r C l (N O_{2}) {(e n)}_{2}]}_{2}^{+} (e n = e t h y l e n e d i a m i n e)$ ?

It has two geometrical isomers-cis and trans.

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Cis and trans forms are not diastereomers to each other.

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Only the cis isomer displays optical activity.

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It has three optically active isomers : d, l and meso forms.

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Solution

The correct options are
B Cis and trans forms are not diastereomers to each other.
D It has three optically active isomers : d, l and meso forms.
It has 2 geometrical cis/trans isomers.
Also it has two optical isomer cis and mirror image of cis isomer.
One optically inactive isomer (trans isomer).

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The cis-isomer of which of the following ions will have optical isomers but the trans-isomer will not?

Which of the following statements is correct regarding the chirality (optical isomerism) of the cis and trans isomers of the type $M (a a)_{2} b_{2}$ (M stands for a metal, a and b are achiral ligands and aa is a bidentate ligand) ?

Q. Consider the following reaction and statements:

[C o (N H_{3})_{4} B r_{2}]^{+} \to [C o (N H_{3})_{3} B r_{3}] + N H_{3}

(I) Two isomers are produced if the reactant complex ion is a cis-isomer
(II) Two isomers are produced if the reactant complex ion is a trans-isomer
(III) Only one isomer is produced if the reactant complex ion is a trans-isomer
(IV) Only one isomer is produced if the reactant complex ion is a cis-isomer
The correct statements are:

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Which of the following statement(s) is/are not true about the complex ion :[CrCl(NO2)(en)2]+(en=ethylenediamine)?

The correct options are B Cis and trans forms are not diastereomers to each other. D It has three optically active isomers : d, l and meso forms.It has 2 geometrical cis/trans isomers.Also it has two optical isomer cis and mirror image of cis isomer.One optically inactive isomer (trans isomer).

Which of the following statement(s) is/are not true about the complex ion : ${[C r C l (N O_{2}) {(e n)}_{2}]}_{2}^{+} (e n = e t h y l e n e d i a m i n e)$ ?

The correct options are
B Cis and trans forms are not diastereomers to each other.
D It has three optically active isomers : d, l and meso forms.
It has 2 geometrical cis/trans isomers.
Also it has two optical isomer cis and mirror image of cis isomer.
One optically inactive isomer (trans isomer).