For the isolation of triphenylmethanol first sulfuric acid is added, than after

Question

For the isolation of triphenylmethanol first sulfuric acid is added, than after separation saturated NaCl is added, than there is another separation, than CaCl2 is added in a flask. What is the purpose of these reagents in each step and how do they contribute to purifying the product? For the isolation of triphenylmethanol first sulfuric acid is added, than after separation saturated NaCl is added, than there is another separation, than CaCl2 is added in a flask. What is the purpose of these reagents in each step and how do they contribute to purifying the product?

Explanation / Answer

Here H2SO4 can dissolve any impurities that are there in the solution while synthesize the triphenylmethanol . Because so many compounds can dissolve at acidic media (which are aqueous and soluble in water).

NaCl addition results to precipitate the given triphenylmethanol from the total solution. CaCl2 is dehydrating agent. It dries the obtained compound.

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