NEET Chemistry The s-Block Elements Questions Solved

The commercial salt is purified by passing-

(A) H2S gas through an alkaline solution of salt
(B) HCl gas through a saturated solution of salt
(C) H2 gas through a solution of salt
(D) Cl2 gas through a saturated solution of salt

(B). The common table salt is prepared by passing HCl gas through a saturated solution of salt. The precipitation is due to common ion effect.

NaClSalt Solution+H++Cl-NaClppt.

The reaction removes all impurities

Difficulty Level:

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