The correct statements among the following,fo | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) In chromatography,the $R_f$ (retardation factor) value is defined as the ratio of the distance traveled by the substance to the distance traveled

Vedclass · Accepted Answer

$R_f$ of a polar compound is smaller than that of a non-polar compound.

Vedclass · Answer

(C) In chromatography,the $R_f$ (retardation factor) value is defined as the ratio of the distance traveled by the substance to the distance traveled by the solvent front. Polar compounds interact more strongly with the stationary phase (e.g.,silica gel),causing them to move slower and resulting in a smaller $R_f$ value. Non-polar compounds interact less with the stationary phase and move faster,resulting in a larger $R_f$ value. Therefore,the $R_f$ of a polar compound is smaller than that of a non-polar compound.

List-$I$	List-$II$
$(A)$ Chloroform and Aniline	$(I)$ Steam distillation
$(B)$ Benzoic acid and Naphthalene	$(II)$ Sublimation
$(C)$ Water and Aniline	$(III)$ Distillation
$(D)$ Naphthalene and Sodium chloride	$(IV)$ Crystallisation

The correct statements among the following,for a chromatography purification method is:

Similar Questions

The most suitable method of separation of a $1:1$ mixture of $ortho$- and $para$-nitrophenols is:

Match List-$I$ with List-$II$:

List-$I$ List-$II$

$(A)$ Chloroform and Aniline $(I)$ Steam distillation

$(B)$ Benzoic acid and Naphthalene $(II)$ Sublimation

$(C)$ Water and Aniline $(III)$ Distillation

$(D)$ Naphthalene and Sodium chloride $(IV)$ Crystallisation

Which among the following purification methods is based on the principle of "Solubility" in two different solvents?

$A$ liquid contains a non-volatile impurity. Which technique will be applied for its purification?

Give the information of the following in short.
$(i)$ Fractional column $(ii)$ Theoretical plate $(iii)$ Mechanism of fractional column.

Vedclass Test Series

Exam Paper Generator

Online Exam Module