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Q. The number of geometric isomers possible for the complex $\left[ CoL _{2} Cl _{2}\right]^{-}\left( L = H _{2} NCH _{2} CH _{2} O ^{-}\right)$is

JEE AdvancedJEE Advanced 2016

Solution:

$\left[ CoL _{2} Cl _{2}\right]^{-}\left( L = H _{2} NCH _{2} CH _{2} O ^{-}\right)$
General form of complex is $\left[ M ( AB )_{2} C _{2}\right]$
Total possible geometrical isomers are $5$
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