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    Home » Organic Chemistry Practice MCQs (Answers) for Class 12

    Organic Chemistry Practice MCQs (Answers) for Class 12

    Dr. Vikas JasrotiaBy Dr. Vikas JasrotiaOctober 29, 2021No Comments
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    Organic Chemistry Practice MCQs (Answers) for Class 12

    Organic Chemistry Practice MCQs (Answers) for Class 12

    Ans 1. (b) Propan-2-ol      

    Ans 2. (d) Propanone

    Ans 3. (b) 1-Methylcyclohexan-1-ol

    Ans 4. (d) X on reaction with Na, does not produce H2 gas

    Ans 5. (d) Benzyl alcohol 

    Ans 6. (c) Treatment with pyridinium chlorochromate                

    Ans 7. (b) Substitution reaction 

    Ans 8. (c) B, C                  

    Ans 9. (b)

    Ans 10. (b) o-nitrophenol 

    Ans 11. (d) m-Chlorophenol 

    Ans 12. (a) Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol      

    Ans 13. (a) CH3CHOHCH3          

    Ans 14. (c) Both types                  

    Ans 15. (a) Pri > Sec > Ter           
    Since Na metal is basic and alcohols are acidic in nature, therefore, the reactivity of Na metal towards alcohols decreases as the acidic strength of alcohols decreases, i.e. in the order 10 > 20 > 30.

    Ans 16. (c) The assertion is a correct statement but the reason is the wrong statement.

    Ans 17. (d) The assertion is a wrong statement but the reason is the correct statement.

    Ans 18. (a) Assertion and reason both are correct and the reason is the correct explanation of assertion.

    Ans 19. (c) The assertion is a correct statement but the reason is the wrong statement.

    Ans 20. (e) Both assertion and reason are correct statements but the reason is not the correct explanation of assertion.

    Ans 21. (a) Assertion and reason both are correct and the reason is the correct explanation of assertion.

    Ans 22. (e) Both assertion and reason are correct statements but the reason is not the correct explanation of assertion.

    Ans 23. (a) Assertion and reason both are correct and the reason is the correct explanation of assertion.

    Ans 24. (d) Replication

    Ans 25. (a) An enzyme     

    Ans 26. (b) A globular protein
    Hemoglobin is a globular protein of four subunits, each subunit having a heme moiety and a polypeptide chain (Two α and two β chains).

    Ans 27. (a) Does not undergo hydrolysis                                     

    Ans 28. (a) Cane sugar                 

    Ans 29. (c) D-glucose                   

    Ans 30. (b) Anomers                    

    Ans 31. (d) Glycine

    Ans 32. (b) Monosaccharide                    

    Ans 33. (d) Aldose

    Ans 34. (c) H-bond                       

    Ans 35. (d) Both (a) and (b)

    Ans 36. (d) Hydroxylamine

    Ans 37. (a) n-hexane                    

    Ans 38. (a) Alpha amino acids     

    Ans 39. (c) 2,4 – DNP reagent                  

    Ans 40. (a) Five

    Organic Chemistry Practice MCQs (Answers) for Class 12

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    Organic Chemistry Practice MCQs for Class 12

     

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