p-Block elementsHard

Question

Chlorine gas is dried over :

Options

A.CaO
B.NaOH
C.H2SO4
D.NH3 (l)

Solution

Chlorine gas reacts with CaO, NaOH and NH3 ; so chlorine gas cannot be dried by passing over these compounds. H2SO4 have great affinity for water and therefore it is used  for drying Cl2.

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