Chemistry, asked by shamilayyoob3774, 1 year ago

how we test the purity of chloroform?

Answers

Answered by tejaswinidubey066

To test the purity of chloroform, shake some of it in a well stoppered bottle along with oil of vitriol(colourless). If any trace of oils is present, the acid becomes more or less yellow, when allowed to stand, a darker line appears at the junction of the liquids. When the yellow colour appears, after being shaken and standing still for a short time, the chloroform is poured off into another vial, where it is shaken anew, with another and a smaller portion of vitriol.If after some time , this appears colourless, the chloroform may be considered pure.

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