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NEET Exam  >  NEET Test  >  NCERT Based Tests  >  Test: Methods of Purification of Organic Compounds (NCERT) - NEET MCQ

Methods of Purification Organic Compounds (NCERT) - Free MCQ Practice Test


MCQ Practice Test & Solutions: Test: Methods of Purification of Organic Compounds (NCERT) (10 Questions)

You can prepare effectively for NEET NCERT Based Tests for NEET with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Methods of Purification of Organic Compounds (NCERT)". These 10 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

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Test: Methods of Purification of Organic Compounds (NCERT) - Question 1
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Separation of two substances by crystallisation depends upon their differences In

Detailed Solution: Question 1

Crystallisation is based on the difference in the solubilities of the compound and the impurities in a suitable solvent.

Test: Methods of Purification of Organic Compounds (NCERT) - Question 2
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Those substances can be separated by steam distillation which are

Detailed Solution: Question 2

Steam distillation is applied to separate substances which are steam volatile and are immiscible in water.

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Test: Methods of Purification of Organic Compounds (NCERT) - Question 3
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Glycerin can be purified by:

Detailed Solution: Question 3

The liquids which decompose at its boiling point can be purified by vacuum distillation. Glycerol decomposes at its boiling point (563K). It can be distilled by vacuum distillation without decomposition at 453K and under 12mm Hg pressure.

Test: Methods of Purification of Organic Compounds (NCERT) - Question 4
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Distillation under reduced pressure Is generally used to purify those liquids which

Detailed Solution: Question 4

Compounds which dissociate below thenboiling points or which have very high boiling points are distilled under reduced pressure.

Test: Methods of Purification of Organic Compounds (NCERT) - Question 5
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Which method can be applied to separate a mixture of camphor and benzole add?,

Detailed Solution: Question 5

Since both benzoic acid and camphor sublimate they can be separated by chemical methods. Benzoic acid reacts with alkalies whereas camphor does not.

Test: Methods of Purification of Organic Compounds (NCERT) - Question 6
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The process of separation of an organic compound from its aqueous solution by shaking with a suitable solvent is termed solvent extraction or differential extraction.

The organic compound present in the aqueous layer moves to the organic solvent because

Detailed Solution: Question 6

The organic substance being more soluble in organic solvent is transferred from aqueous layer to the organic layer.

Test: Methods of Purification of Organic Compounds (NCERT) - Question 7
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The substance which can be used as adsorbent in column chromatography is

Detailed Solution: Question 7

Alumina or silica gel are generally used as adsorbent in column chromatography.

Test: Methods of Purification of Organic Compounds (NCERT) - Question 8
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Given below is the column of adsorbent in which the mixture of the compounds  A + B + C is placed. When the solvent is poured through the column, the components are separated depending upon the degree of adsorption. Which of the given statements is correct?
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Detailed Solution: Question 8

The most strongly adsorbed component is present in the band near the top while the weakly adsorbed constituent is found near the bottom.

Test: Methods of Purification of Organic Compounds (NCERT) - Question 9
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Given below is the developed chromatogram of a mixture of pigments.

Rf values for x and y can be expressed as

Detailed Solution: Question 9

Test: Methods of Purification of Organic Compounds (NCERT) - Question 10
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Few mixtures and their methods of separation are given in the columns I and II respectively. Match the columns and mark the appropriate choice.

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About this NEET Practice Test

This test contains 10 MCQs on Methods of Purification of Organic Compounds (NCERT) with detailed solutions for each question. It is part of the NCERT Based Tests for NEET course on EduRev, designed to align with the current NEET syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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