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

161.

Reaction of R OH with R' MgX produces

  • RH

  • R' H

  • R - R

  • R'- R'


162.

Which statement is incorrect?

  • Phenol is a weak acid

  • Phenol is an aromatic compound

  • Phenol liberates CO2 from Na2CO3 solution

  • Phenol is soluble in NaOH


163.

In which of the following reactions new carbon-carbon bond is not formed ?

  • Cannizaro reaction

  • Wurtz reaction

  • Aldol condensation

  • Friedel-Craft reaction


 Multiple Choice QuestionsShort Answer Type

164.

Convert phenol to p-hyroxy acetophenone in not more than 2 steps.


Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

165.

Benzoylation of phenol in alkaline medium is known as

  • Friedel-Craft's reaction

  • Wurtz-Fittig reaction

  • Schotten-Baumann reaction

  • Sabatier Senderens reduction


Advertisement

166.

Which of the following will produce only one product on reduction with LiAlH4?

  • CH3OCOCH2CH3

  • CH3CH2OCOCH2CH3

  • CH3CH2OCOCH3

  • CH3CH2OCOCH2CH2CH3


A.

CH3OCOCH2CH3

Only ethyl acetate undergoes reduction with LiAlH4 to give only ethyl alcohol, other esters given in option on reduction gives a mixture of alcohols.

CH3COOCH2CH3 + 2H2 etherLiAlH4 2CH3CH2OH


Advertisement
167.

Propionic acid and KOH reacts to produce which one of the following ?

  • Potassium propionate

  • Propyl alcohol

  • Propionaldehyde

  • Does not react


168.

The compound will react most readily with  NaOH to form methanol is

  • (CH3)4N+I-

  • CH3OCH3

  • (CH3)3S+I-

  • (CH3)3Cl


Advertisement
169.

Which of the following will not react with NaOH?

  • C2H5OH

  • CH3CONH2

  • CH(CN)3


170.

Industrial name for H2S2O7 is :

  • Pyrosulphuric acid

  • Marshall's acid

  • Oleum

  • All of the above


Advertisement