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Coordination Compounds question

2015 · Q91
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Coordination Compounds question

2015 · Q91

NEETChemistryCoordination CompoundsMCQ+4 / −1
Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25oC?
  1. A
    CoCl3 ⋅\cdot⋅ 5NH3
  2. B
    CoCl3 ⋅\cdot⋅ 6NH3
  3. C
    CoCl3 ⋅\cdot⋅ 3NH3
  4. D
    CoCl3 ⋅\cdot⋅ 4NH3
View written solutionFree

Correct answer: C

As For octahedral complexes, coordination number is 6.

CoCl3 . 3NH3 or [Co(NH3)3Cl3] will not give test for chloride ions with silver nitrate due to absence of ionisable chloride atoms.

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