Question

Which one of the following complexes shows optical isomerism?

(1) cis[Co(en)2Cl2]Cl

(2) trans[Co(en)2Cl2]Cl

(3) [Co(NH3)4Cl2]Cl

(4) [Co(NH3)3Cl3] (en = ethylenediamine)

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Answer 1

Answer:

The optically active compound capable of rotating plane polarized light to the left or right.

cis[Co(en)

2

Cl

2

]Cl shows optical isomerism. It exists in the form for d and l forms. Trans isomer is optically inactive meso compound.

Answer 2

$\huge\bold\red{Ηα⅊⅊ψ \: \: β'δαψ }$

Correct option (a) cis[Co(en)²Cl²]Cl

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