Purification & Characteristics of Organic Compounds-Purification (KVPY Stream-SA (Class 11) Chemistry): Questions 1 - 2 of 2

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Question number: 1

» Purification & Characteristics of Organic Compounds » Purification » Sublimation

Appeared in Year: 2009

MCQ▾

Question

A mixture of NH4Cl and NaCl can be separated by

Choices

Choice (4) Response

a.

Distillation

b.

Filtration

c.

Sublimation

d.

Decantation

Question number: 2

» Purification & Characteristics of Organic Compounds » Purification » Chromatography

Appeared in Year: 2014

MCQ▾

Question

The species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram using a nonpolar solvent on a silica gel plate is

Choices

Choice (4) Response

a.

The species that exhibits the highest Rf value: Choice A

The Species That Exhibits the Highest Rf Value: Choice A

Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram

b.

The species that exhibits the highest Rf value: Choice B

The Species That Exhibits the Highest Rf Value: Choice B

Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram

c.

The species that exhibits the highest Rf value: Choice C

The Species That Exhibits the Highest Rf Value: Choice C

Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram

d.

The species that exhibits the highest Rf value: Choice D

The Species That Exhibits the Highest Rf Value: Choice D

Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram

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