HARD
JEE Main
IMPORTANT
Earn 100

Match List-I with List-II

  List-I
(Mixture)
  List-II
(Purification Process)
A Chloroform & Aniline I Steam distillation
B Benzoic acid & Napthalene II Sublimation
C Water & Aniline III Distillation
D Napthalene & Sodium chloride IV Crystallisation

77.39% studentsanswered this correctly

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

EASY
JEE Main
IMPORTANT

Match List-I with List-II.

  List-I   List-II
A

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I Spiro compound
B

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II Aromatic compound
C

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III Non-planar Heterocyclic compound
D

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IV Bicyclo compound

Choose the correct answer from the options given below

HARD
JEE Main
IMPORTANT
Among the following marked proton of which compound shows lowest pKa value?
HARD
JEE Main
IMPORTANT

A sample of 0.125 g of an organic compound when analysed by Duma's method yields 22.78 mL of nitrogen gas collected over KOH solution at 280 K and 759mmHg. The percentage of nitrogen in the given organic compound is____

(a) The vapour pressure of water at 280 K is 14.2mmHg

(b) R=0.082 L atm K-1 mol-1

MEDIUM
JEE Main
IMPORTANT
Compound that will give positive Lassaigne's test for both nitrogen and halogen is
MEDIUM
JEE Main
IMPORTANT

Following chromatogram was developed by adsorption of compound 'A' on a 6cm TLC glass plate. Retardation factor of the compound 'A' is _____  ×10-1.

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MEDIUM
JEE Main
IMPORTANT
When 0.01mol of an organic compound containing 60% carbon was burnt completely, 4.4 g of CO2 was produced. The molar mass of compound is _____ gmol-1 (Nearest integer)
EASY
JEE Main
IMPORTANT

Match List I with List II:

  List I (Mixture)   List II
(Separation
Technique)
(A) CHCl3+C6H5NH2 I Steam distillation
(B) C6H14+C5H12 II Differential
extraction
(C) C6H5NH2+H2O III Distillation
(D) Organic compound in H2O IV Fractional
distillation