Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Following is estimated by Liebig method :

• C and H

• N₂

• Cl₂

• Br₂

Which colourless gas evolves when NH₄Cl reacts with zinc in a dry battery ?

• NH₃

• N₂

• H₂

• Cl₂

Quantitative measurement of nitrogen in an organic compound is done by the method :

• Berthelot method

• Belstein method

• Lassaigne test

• Kjheldahl method

Brown ring in the test of NO₃^-  is formed due to the formation of :

• FeSO₄ ^. NO

• [Fe(SO₄)₂ ^. NO] H₂O

• Fe(SO₄)₃ ^. NO

• none of these

Which kind of fission is favoured by sunlight ?

• Heterolytic fission

• Homolytic fission

• Both (a) and (b)

• None of the above

Which type of isomerism is shown by propanal and propanone ?

• Functional group

• Metamerism

• Tautomerism

• Chain isomerism

The correct order of ease of dehydration of following is :

• I > II > III

• III > II > I

• I > III > II

• III > I > II

Among the following L-serine is

Among the following which one can have a meso form?

• CH₃CH(OH)CH(Cl)C₂H₅

• CH₃CH(OH)CH(OH)CH₃

• C₂H₅CH(OH)CH(OH)CH₃

• HOCH₂CH(Cl)CH₃

The major product obtained on the monobromination (with Br₂/FeBr₃) of the following compound A is