Coordination Compounds 1 Question 8

####8. Consider the following reaction and statements :

[Co(NH3)4Br2]++Br[Co(NH3)3Br3]+NH3

I. Two isomers are produces if the reactant complex ion is a cis-isomer.

II. Two isomers are produced if the reactant complex ion is a trans-isomer.

III. Only one isomer is produced if the reactant complex ion is a trans-isomer.

IV. Only one isomer is produced if the reactant complex ion is a ci-isomer.

The correct statements are

(2018 Main)

(a) (I) and (II)

(b) (I) and (III)

(c) (III) and (IV)

(d) (II) and (IV)

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Answer:

Correct Answer: 8. (b)

Solution:

  1. If the reactant is ci is isomer than following reaction takes place.

i.e. two isomers are produced. If the reactant is trans isomer than following reaction takes place.

i.e. only 1 isomer is produced. Thus, statement (I) and (III) are correct resulting to option (b) as the correct answer.



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