Select CORRECT statement about complex s...

Select CORRECT statement about complex species `[Co(en)(NH_(3))_(2)]Cl_(2)]Cl`:

A

It has four stereoisomers out of which two are optically active

B

It is inner-orbital complex

C

It exhibit ionisation isomerism

D

It exist in three geometrical isomeric forms

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The correct Answer is:

A, B, D

`[CO(en)(NH_(3))_(2)Cl_(2)]Cl implies d^(2)sp^(3)` hybridised Co

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