Question

what is efflorescence. Name the compound which shows efflorescence. Support your answer with reaction

Answer 1

Answer:

The processes of loosing water of crystallization, when the substance is exposed to air for long time to form anhydrous or monohydric substance is called as efflorescence. Na2CO3 10 H2O, Sodium carbonate deca hydrate is one example. Na2CO3 , 10 H2O -------------->Na2CO3 H2O + 9H2O

Answer 2

Washing soda, the decahydrate of sodium carbonate effloresces in air forming sodium carbonate monohydrate. Efflorescence is the process of losing water of crystallization from a hydrated salt when kept exposed to air for a long time.

Na²Co³•10H²O -----> Na²Co³• H²O + H²O

note: all these numbers are NOT TO BE WRITTEN AS SQUARED OR CUBED. We have to write them in subscript.

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