Subject

Chemistry

Class

NEET Class 12

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

41.

Which of the following is an ester ?

  • Coconut oil

  • Kerosene oil

  • Soap

  • Glycerine


42.

Identify the 'C' in the reaction :

RNH2 HNO2 A + B + C

  • NH3

  • O2

  • N2

  • CO2


43.

Hydrolysis of lactose with dilute acid yields :

  • D - glucose + D - glucose

  • D - glucose + D - galactose

  • D - glucose + D - fructose

  • D - galactose + D - fructose


44.

Which is used to obtain salicylic acid from phenol ?

  • CCl4

  • CHCl3

  • CH3COOH

  • COCH3


Advertisement
45.

Dehydration of glycerol produces :

  • propanone

  • allyl alcohol

  • glycol

  • acrolein


Advertisement

46.

CH3Br + KCN (alco.)  X Na + C2H5OHReduction Y

What is Y in the series ?

  • CH3CN

  • C2H5CN

  • C2H5NH2

  • CH3NH2


C.

C2H5NH2

CH3Brmethyl bromide + KCN(alco.)  CH3CH(X) Na + C2H5OHReduction CH3CH2NH2ethyl amine (Y)


Advertisement
47.

2 - pentanone and 3 - pentanone can be distinguished by :

  • cannizaro's reaction

  • iodoform reaction

  • aldol condensation

  • Clemmensen's reduction


48.

Proteins are :

  • polypeptides with low molecular weights

  • polypeptides with high molecular weights

  • polymers of amides

  • polymers of secondary amines


Advertisement
49.

Which will give cannizaro reaction ?

  • Cl3C-CHO

  • C6H5CHO

  • (CH3)3-C-CHO

  • All of the above


50.

CH3CHI2 KCN H2O ,  ?

Here the end product would be :

  • 2 - cyano propionic acid

  • ethane - l , 1 - dicarboxylic acid

  • 2 - methyl ethanoic acid

  • propionic acid


Advertisement