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  4. Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25° C?

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Q. Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at $25^{\circ } C$?

AIPMTAIPMT 2015Coordination Compounds

Solution:

Octahedral complex means it contains ‘6’ coordinate bond. In $CoCl_3.3NH_3, ‘Cl’$ cannot be outside from coordination sphere