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  2. Question
  3. Chemistry
  4. [ CoCl 2( NH 3)4]++ Cl - longrightarrow [ CoCl 3( NH 3)3]+ NH 3 In the reaction only one isomer of complex product is obtained. The initial complex is

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Q. $\left[ CoCl _{2}\left( NH _{3}\right)_{4}\right]^{+}+ Cl ^{-} \longrightarrow \left[ CoCl _{3}\left( NH _{3}\right)_{3}\right]+ NH _{3}$ In the reaction only one isomer of complex product is obtained. The initial complex is

AIIMSAIIMS 2010

Solution:

The original complex must have the chloride ions in the trans position, since then all other four positions which could be replaced are equivalent.