Explain about the exchange reactions of deuterium oxide.

1.	Explain about the exchange reactions of deuterium oxide.
Answer» Solution :When compounds containing hydrogen are treated with `D_2`O, hydrogen undergoes an exchange for Deuterium. `underset("Sodium hydroxide")(2NAOH) + underset("HEAVY water")(D_2 O) to underset("Sodium deutroxide")(2NaOD) + HOD` `underset("Hydrogen chloride")(HCL) + D_2 O to underset(Deuterium chloride")(DCl) + HOD` `underset("AMMONIUM chloride")(NH_4Cl) + 4D_2 to underset("Deutero Ammonium Chloride")(ND_4 CL + 4HOD)`

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