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  • Which of the following has an optical isomer ?Option: 1 <img alt="\left [ Co\left ( NH_{3} \right )_{3}Cl \right ]^{+}" src="https://learn.careers360

Which of the following has an optical isomer ?

Option: 1

\left [ Co\left ( NH_{3} \right )_{3}Cl \right ]^{+}


Option: 2

[Co(en)(NH_3)_2]^{2+}


Option: 3

\left [ Co\left ( H_{2}O \right )_{4} \left ( en \right )\right ]^{3+}


Option: 4

[Co(en)_2(NH_3)_2]^{3+}


Answers (1)

best_answer

As we have learnt,

 [ M(AA)_{2} a_{2} ]  shows optical isomerism, its Cis geometrical isomer is optically active while its trans form is not optically active due to the presence of plane of symmetry.

Thus, \left [ Co \right (en)_{2}(NH_{3})_{2}]^{3+} is capable of showing optical activity.

Therefore, option (4) is correct.

Posted by

Ritika Jonwal

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