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Questions  

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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By Expert Faculty of Sri Chaitanya
a
CoCl3·5NH3
b
CoCl3·6NH3
c
CoCl3·3NH3
d
CoCl3·4NH3

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detailed solution

Correct option is C

For octahedral complexes, coordination number is 6 . Hence, CoCl3·3NH3 i.e., CoNH33Cl3  will not ionise andwill not give test for Cl- ion with silver nitrate.


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