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?
A. CoCl₃ . ₅NH₃
B. CoCl₂ . ₆N H₃
C. CoCl₃ . ₄NH₃
D. CoC1₃ . ₃N H₃