Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

151.

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


152.

Which kind of fission is favoured by sunlight ?

  • Heterolytic fission

  • Homolytic fission

  • Both (a) and (b)

  • None of the above


153.

Which type of isomerism is shown by propanal and propanone ?

  • Functional group

  • Metamerism

  • Tautomerism

  • Chain isomerism


154.

The correct order of ease of dehydration of following is :

  

  • I > II > III

  • III > II > I

  • I > III > II

  • III > I > II


Advertisement
155.

Among the following L-serine is


156.

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


157.

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


Advertisement

158.

Which of the following molecules is most suitable to disperse benzene in water?


C.

Benzene is non polar in nature, as we know, non-polar disperses more to non-polar substances. Therefore, meta-methyl nonylbenzene being nonpolar from both sides will disperse more to benzene. All other substances (a, b and d) have either one side polar or both sides polar.


Advertisement
Advertisement
159.

Among the following the strongest nucleophile is

  • C2H5SH

  • CH3COO-

  • CH3NH2

  • NCCH2-


160.

Among the following the most stable compound is

  • cis-1,2-cyclohexanediol

  • trans-1,2-cyclohexanediol

  • cis-1,3-cyclohexanadiol

  • trans-1,3-cyclohexanediol.


Advertisement