Terylene is the polyester of

• hexamethylene diamine and adipic acid

• vinyl chloride and formaldehyde

• melamine and formaldehyde

• ethylene glycol and terephthalic acid

Which does not react with Fehling's solution?

• CH₃CHO

• C₆H₅CHO

• C₆H₁₂O₆

• HCOOH

Reaction of acids with alcohols is also known as

• esterification

• saponification

• alkalisation

• None of these

Sucrose on hydrolysis gives

• glucose and maltose

• glucose and lactose

• glucose and fructose

• only glucose

Glucose gives silver mirror with ammoniacal silver nitrate because it has

• aldehyde group

• ester group

• ketone group

• alcoholic silver nitrate

Zwitter ion is formed by

• aniline

• acetanilide

• benzoic acid

• glycine

Fats are ester of

• sugar

• glycerol

• tributyrine

• polypeptide

Protein gives blue colour with

• Benedict reagent

• iodine solution

• ninhydrin

• biurete

A mixture of ethyl amine and alcoholic KOH on heating gives

• alkyl cyanide

• ethyl cyanate

• ethyl isocyanide

• ethyl isocyanate

50.

Isopropyl amine with excess of acetyl chloride will give

• $({\mathrm{CH}}_3\mathrm{CO}{)}_2\mathrm{N}-\mathrm{CH}-({\mathrm{CH}}_3{)}_2$

• $({\mathrm{CH}}_3{)}_2\mathrm{CH}-\mathrm{N}(\mathrm{H})-{\mathrm{COCH}}_3$

• $\left({\mathrm{CH}}_3{)}_2\mathrm{CHN}\right({\mathrm{COCH}}_3{)}_2$

• ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2-\mathrm{N}\left(\mathrm{H}\right)-{\mathrm{COCH}}_3$