Which of the following is best suited to dry crystals of ammine salts – InterviewSolution

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1.	Which of the following is best suited to dry crystals of ammine salts (complexes in which NH_3 is a ligand e.g., [Ni(NH_3)_6]Br_2)
Answer» Anhy. `CaCl_2` Anhy. CaO A mixture of CaO and `NH_4Cl` None of these Solution :A mixture of CaO and `NH_4Cl` is used to dry CRYSTALS of COMPLEXES containing `NH_3` as ligands. The water liberated by moist crystals is absorbed by CaO. This moisture helps in the chemical reaction between CaO and `NH_4Cl` to CREATE an atmosphere of `NH_3`which prevents the decomposition of highly UNSTABLE complexes i.e., AMMINE salts.

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