JEE Questions for Chemistry Aldehydes Ketones And Carboxylic Acids Quiz 7 - MCQExams.com

Which of the following gives oxalic acid?
  • Heating of acetic acid
  • Action of nitric acid on glucose
  • Acidic hydrolysis of cyanogen
  • Strong heating of sodium formate
In a set of the given reactions, acetic acid yielded a product C .
Chemistry-Aldehydes Ketones and Carboxylic Acids-470.png
  • CH3 CH(OH) C6H5
  • 2)
    Chemistry-Aldehydes Ketones and Carboxylic Acids-471.png
  • CH3CH(OH)C2H5
  • CH3COC6H5

Chemistry-Aldehydes Ketones and Carboxylic Acids-472.png
  • CH3COOC2H5 , C2H5OH
  • CH3 CHO, C2 H5OH
  • C2H5OH, CH3CHO
  • C2H5OH, CH3COOC2H5
The correct order of increasing acidic strength of the compounds is
Chemistry-Aldehydes Ketones and Carboxylic Acids-474.png
  • II < IV < I < III
  • IV < I < III < II
  • IV < I < II < III
  • I < IV < III < II

Chemistry-Aldehydes Ketones and Carboxylic Acids-475.png
  • acid anhydride
  • ketone
  • aldehyde
  • ester
Identify the compound Z in the reaction sequence
Chemistry-Aldehydes Ketones and Carboxylic Acids-476.png
  • CH3 OH
  • CH3 CH2 NH2
  • CH3 CH2 OH
  • CH3 CH2 CH2 OH
  • CH3 NH2
Propionic acid and KOH reacts to produce which one of the following ?
  • Potassium propionate
  • Propyl alcohol
  • Propionaldehyde
  • Does not react
Saturated fatty acids are represented by which of the formula?
  • Cn Hn O2
  • Cn H3n O2
  • Cn H2n+1
  • Cn H2n O2
The Hell-Volhard-Zelinsky reaction is used for preparing
  • β-halo acid
  • γ-halo acid
  • α-halo acid
  • acid halide
4-methylbenzene sulphonic acid reacts with sodium acetate to give

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-477.png
  • 2)
    Chemistry-Aldehydes Ketones and Carboxylic Acids-478.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-479.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-480.png
The major product in the following reaction is
Chemistry-Aldehydes Ketones and Carboxylic Acids-481.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-482.png
  • 2)
    Chemistry-Aldehydes Ketones and Carboxylic Acids-483.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-484.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-485.png
How many chiral centre are possible for the product of following reaction?
Chemistry-Aldehydes Ketones and Carboxylic Acids-487.png
  • 1
  • 0
  • 3
  • 2
Arrange the following compounds in the increasing order of nucleophilic addition reaction
I. HCHO
II. CH3COCH3
III. C6H5COCH3
IV. C6H5COC6H5
  • I < II < III < IV
  • IV < III < II < I
  • IV < II < III < I
  • III < IV < II < I
Which of the following compounds will give positive iodoform test with I2 and NaOH?
  • C6H5COC6H5
  • CH3CH2CHO
  • C6H5COCH2CH3

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-488.png
What will be the order of reactivity of the following carbonyl compounds with Grignard's reagent ?
Chemistry-Aldehydes Ketones and Carboxylic Acids-489.png
  • I > II > III > IV
  • IV > III > II > I
  • II > I > IV > III
  • III > II > I > IV
The compound C6 H5 CH = N—N = CHC6 H5 is produced by the reaction of an excess of benzaldehyde with which compound?
  • NH3
  • NH2 NH2
  • Hydroxyl amine
  • Phenyl hydrazine
Which of the following statements is not true for acetaldehyde?
  • It will undergo an aldol condensation reaction
  • It will undergo a Cannizaro reaction
  • It will undergo a haloform reaction
  • Enolisation is catalysed by acid or base

Chemistry-Aldehydes Ketones and Carboxylic Acids-490.png
  • 3-methylbutan-2-ol
  • 2-methylbutan-3-ol
  • 2-methylbutan-2-ol
  • pentan-2-ol
The compound of molecular formula C5H10O (A ) reacts will Tollen's reagent to give silver mirror but does not undergo aldol condensation. The compound A is
  • 3-pentanone
  • 2, 2-dimethylpropanal
  • 3-methylbutanal
  • 3-methyl-2-butanone
Identify the combination of compounds that undergo aldol condensation followed by dehydration to produce but-2-enal
  • methanal and ethanal
  • two moles of ethanal
  • methanal and propanone
  • ethanol and propanone
  • two moles of ethanol
Among the following structures the one which is not a resonating structure of others is
Chemistry-Aldehydes Ketones and Carboxylic Acids-492.png
  • Only I
  • Only II
  • Only III
  • Only IV
In the following reaction, the product E is
Chemistry-Aldehydes Ketones and Carboxylic Acids-493.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-494.png
  • 2)
    Chemistry-Aldehydes Ketones and Carboxylic Acids-495.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-496.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-497.png
The intermediate J in the following Wittig reaction is
Chemistry-Aldehydes Ketones and Carboxylic Acids-498.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-499.png
  • 2)
    Chemistry-Aldehydes Ketones and Carboxylic Acids-500.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-501.png

  • Chemistry-Aldehydes Ketones and Carboxylic Acids-502.png
The order of compounds in their reactivity towards HCN is
  • acetaldehyde < ketone < methyl tert-butyl ketone < di-tert-butyl ketone
  • di-tert-butyl ketone < methyl tert-butyl ketone < acetone < acetaldehyde
  • di-tert-butyl ketone < acetone < methyl tert-butyl ketone < acetaldehyde
  • Acetone < acetaldehyde < di-tert-butyl ketone < methyl tert-butyl ketone
What kind of isomerism is exhibited by the compounds CH3 CH2 CHO and CH3 COCH3 ?
  • Geometrical isomerism
  • Functional isomers
  • Tautomers
  • Metamers
An important industrial solvent, also a laboratory reagent, called 2-butanone, is nothing but
  • methyl ethyl ketone
  • dimethyl ketone
  • diethyl ketone
  • propyl ketone
  • methyl propyl ketone
Reactivity towards nucleophilic addition reaction of
I. HCHO
II. CH3CHO
III. CH3COCH3 is
  • II > III > I
  • III > II > I
  • I > II > III
  • I > III > II
Among H—CHO, CH3 CHO and C6 H5 CHO, which will undergo Cannizzaro's reaction?
  • CH3—CHO and C6H5CHO
  • C6H5CHO and HCHO
  • All of the above
  • HCHO and CH3 —CHO
The number of aldol reaction(s) that occurs in the given transformation is
Chemistry-Aldehydes Ketones and Carboxylic Acids-504.png
  • 1
  • 2
  • 3
  • 4
HCHO was treated with a reagent X . The product formed upon hydrolysis in the presence of an acid gave C2H5OH . The reagent X is
  • alcoholic KOH
  • alcoholic KCN
  • CH3 MgI
  • aqueous KOH
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