A Compound Has the Empirical Formula CoCl₃ ∙ 5NH₃

question 53

Multiple Choice

A compound has the empirical formula CoCl₃ ∙ 5NH₃.One mole of it yields two moles of silver chloride when treated with silver nitrate.Ammonia is not removed by treatment with concentrated sulfuric acid.A reasonable formula for the compound is ________.

• A)[Co(NH₃)₅]Cl₃
• B)CoCl₃ ∙ 5NH₃
• C)[Co(NH₃)₄Cl]Cl₂ ∙ NH₃
• D)[Co(NH₃)₅Cl]Cl₂
• E)[Co(NH₃)₄Cl₂]Cl ∙ NH₃

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