A reaction of cobalt (III) chloride and ethylenediamine in a 1 : 2 mole ratio generates two isomeric products A (violet coloured) and B (green coloured). A can show optical activity, but, B is optically inactive. What type of isomers does A and B represent?
- A
Ionisation isomers
- B
Coordination isomers
- C
Geometrical isomers
- D
Linkage isomers
{\begin{array}{*{20}{c}}{{{\left[ {CoC{l_6}} \right]}^{3 - }} + 2\left( {en} \right)}\\{\left( {1:2\,mole\,\,ratio} \right)}\end{array}}{\begin{array}{*{20}{c}} \to \\{}\end{array}}{\begin{array}{*{20}{c}}{{{\left[ {CoC{l_2}{{\left( {en} \right)}_2}} \right]}^ + }}\\{\left( {cis - trans\,\,isomer} \right)}\end{array}}
A - optically active (cis-isomer)
B - optically inactive (trans isomer)
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