Coordination Compounds 2 Question 17
####19. A reaction of cobalt (III) chloride and ethylene diamine 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?
(2019 Main, 10 Jan II)
(a) Ionisation isomers
(b) Coordination isomers
(c) Geometrical isomers
(d) Linkage isomers
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Answer:
Correct Answer: 19. (c)
Solution:
- According to the situation given in question, reactions are as follows:
${ } _{CoCl}^{3}+2 en \longrightarrow\left[Co(en) _2 Cl _2\right] Cl$
‘A’ Optically active (cis-form) (Violet)
