51.

Chloroform , on exposing to air and sunlight produce :

• chloropicrin

• phosgene

• carbon tetrachloride

• benzene

CH₃COOC₂H₅ with excess of C₂H₅MgBr and hydrolysis gives :

• C₂H₅-C(CH₃)=O

• (C₂H₅)₂-C(CH₃)-OH

• (CH₃)₂-C=O

• (CH₃)₂-C(C₂H₅)-OH

Williamson's synthesis is used to prepare :

• bakelite

• PVC

• acetone

• diethyl ether

Glucose has following functional group :

• aldehyde

• aldehyde and alcohol

• alcohol

• ketone and alcohol

Natural rubber is a polymer of :

• cis-isoprene

• trans-isoprene

• co-cis and trans isoprene

• None of the above

The IUPAC name for the formula :

 is :

• 2-methyl-2-butenoic acid

• 3-methyl-3-butenoic acid

• 3-metyl-2-butenoic acid

• 2-methyl-3-butenoic acid

Which of the following can exhibit keto-enol tautomerism ?

• H-$\underset{\stackrel{\left|\right|}{\mathrm{O}}}{\mathrm{C}}$-H

• (CH₃)₃C-$\underset{\stackrel{\left|\right|}{\mathrm{O}}}{\mathrm{C}}$-H

• CH₃-$\stackrel{\underset{\left|\right|}{\mathrm{O}}}{\mathrm{C}}$-H

• CCl₃-$\underset{\stackrel{\left|\right|}{\mathrm{O}}}{\mathrm{C}}$-H

The increasing order of acidity is :

• CHCl₂COOH , CH₂ClCOOH , CH₃COOH

• CH₃COOH , CHCl₂COOH , CH₂ClCOOH

• CH₂BrCOOH , CH₂ClCOOH , CH₃COOH

• CH₂BrCOOH , CH₂ClCOOH , CHCl₂COOH

Cannizaro's reaction is exhibited by :

• HCHO

• CH₃CHO

• CH₃CH₂CHO

• CH₃CH₂CH₂CHO

Invert sugar is a mixture of :

• glucose and fructose

• glucose and lactose

• glucose and galactose

• only glucose