JEE Questions for Chemistry Aldehydes Ketones And Carboxylic Acids Quiz 1 - MCQExams.com

Calcium formate on distillation gives
  • HCOOH
  • CH3COOH
  • CH3CHO
  • HCHO
The catalyst used in Rosenmund reaction is
  • Zn/Hg
  • Pd/BaSO4
  • Raney Ni
  • Na in ethanol
Stephen's reduction is used to prepare aldehyde from
  • alcohol
  • alkyl cyanides
  • alkanones
  • acid chlorides
Which of the following isomerism is shown by ethyl acetoacetate?
  • Geometrical isomerism
  • Keto enol tautomerism
  • Enantiomerism
  • Diastereoisomerism
Ethyl benzoate reacts with PCl5 to give
  • C2H5Cl + C6H5COCl+ POCl3 + HCl
  • C2H5Cl + C6H5COCl + POCl3
  • CH3COCl + C6H5COCl+ POCl3
  • C2H5Cl + C6H5COOH + POCl3
Benzaldehyde reacts with methyl amine to give
  • C6H5NH2
  • C6H5CH2 NH2
  • C6H5CH =NCH3
  • C6H5CONH2
Which of the following gives an aldehyde on dry distillation?
  • Calcium formate + calcium acetate
  • Calcium acetate + calcium benzoate
  • Calcium acetate
  • Calcium benzoate
Collin's reagent is used to convert
  • C = O→CHOH
  • —CH2OH→CHO
  • —CHO→ —COOH
  • —CHO→ —CH2OH
3-pentanol on reaction with aluminium tertiary butoxide in the presence of acetone gives
  • 3-pentanal
  • 2-pentanal
  • 3-pentanone
  • 2-pentanone
When CH2 = CH — O — CH2 — CH3 reacts with one mole of HI, one of the products formed is
  • ethane
  • ethanol
  • iodoethene
  • ethanal
The reaction of H2 is given below
H2 + CO + R—CH = CH2 → R—CH2 —CH2 —CHO is specifically called as
  • hydrogenation
  • reduction
  • hydroformylation
  • dehydration
  • formylation
Carbonyl compounds are constituents of
  • fabrics, drugs
  • fabrics, plastics
  • flavourings, plastics
  • All of the above
When a mixture of calcium acetate and calcium formate is dry distilled, the product formed as
  • ethanal
  • butanone
  • methanal
  • acetophenone
Which of the following process is used for the preparation of acetone?
  • Haber's process
  • Wacker's process
  • Wolff-Kishner reaction
  • Gatterman-Koch synthesis
The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is
  • methanal
  • propanal
  • propanone
  • ethanal
Who has synthesised the organic compound 'urea' for the first time ?
  • Friedrich Wohler
  • Berzelius
  • Kolbe
  • Berthelot
Which compound is responsible for perfumery?
  • Ketones
  • Ethers
  • Alcohols
  • Esters
Oil of winter green is
  • a carboxylic acid
  • an alcohol
  • a ketone
  • an ester
Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is
  • diethyl ether
  • 2-butanone
  • ethyl chloride
  • ethyl ethanoate
Acetic anhydride is prepared in the laboratory by heating sodium acetate with
  • ethyl chloride
  • acetyl chloride
  • conc. H2SO4
  • zinc dust
Which one of the following will undergo meta-substitution on monochlorination ?
  • Ethoxybenzene
  • Chlorobenzene
  • Ethyl benzoate
  • Phenol
Potassium cyanate is heated with ammonium sulphate. The product formed is
  • urea
  • ammonia
  • potassium sulphate
  • ammonium cyanide
When acetamide is hydrolysed by boiling with acid, the product obtained is
  • acetic acid
  • ethyl amine
  • ethanol
  • acetamide
Ethyl acetate is obtained when methyl magnesium bromide reacts with
  • ethyl formate
  • ethyl chloroformate
  • acetyl chloride
  • carbon dioxide
When acetamide is treated with Br2 and caustic soda, the product formed is
  • N-brommide
  • bromoacetic acid
  • methanamine
  • ethanamine
Which of the following diacid readily gives anhydride on heating ?
  • Fumaric
  • Maleic acid
  • Malic acid
  • Terephthalic acid
Hydroxamic acid test is employed to detect
  • ketones
  • aldehydes
  • esters
  • amides
Which of the following would undergo Hofmann reaction to give a primary amine?
  • RCOCl
  • RCONHCH3
  • RCONH2
  • RCOOR'

Chemistry-Aldehydes Ketones and Carboxylic Acids-332.png
  • 1, 2-butane diol
  • 2,2- butane diol
  • 2,3-butane diol
  • 1, 1-butane diol
The product formed in the reaction n-hexanamide +Br2 + KOH , is
  • hexanamine
  • propanamine
  • butanamine
  • pentanamine
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