JEE Main 2010 — Coordination Compounds Question with Solution
From: AIEEE 2010
Question
A solution containing 2.675g of CoCl3. 6NH3 (molar mass = 267.5 g mol–1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give
4.78 g of AgCl (molar mass = 143.5 g mol–1). The formula of the complex is : (At. Mass of Ag = 108 u)
Choose an option
Show full solutionCorrect option: A
Correct answer
A[Co(NH3)6]Cl3
Step-by-step explanation
Number of moles of the complex
moles
Number of moles of obtained
moles
Number of moles of obtained
No. of moles of complex
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This is a previous-year question from JEE Main 2010, covering the Coordination Compounds chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.