A colourless pungent smelling gas, which easily liquefies to a colourl – InterviewSolution

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1.	A colourless pungent smelling gas, which easily liquefies to a colourless liquid and freezes to a white crystalline solid, gives dense white fumes with ammonia. Identify the gas and write the chemical equation for its laboratory preparation.
Answer» SOLUTION :`NaCl + H_(2)SO_(4) ("CONC.") → NaHSO_(4) + HCL`

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