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:

  1. According to the situation given in question, reactions are as follows:

CoCl3+2en[Co(en)2Cl2]Cl

‘A’ Optically active (cis-form) (Violet)



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