Q.1
Which of the following reactions can produce R-CO-Ar?
  • a) R + CrO3 →
    ch-28_qn-121choice_img_no3.png
  • b) COCl + RMgX →
    ch-28_qn-121choice_img_no4.png
  • c)
  • d)
Q.2
Which structural unit is possessed by aldehyde and not ketone?
  • a) α-H atom
  • b) H-atom and carbonyl group
  • c) OH and carbonyl group
  • d) None of the above
Q.3
The IUPAC name of CH3COCH(CH3)2 is .... ... [ AIEEE 2004]
  • a) 4-Methyliso-propyl ketone
  • b) 3-Methyl-2-butanone
  • c) iso-propylmethyl ketone
  • d) 2-methyl-3-butanone
Q.4
Compound (A) C5H10O forms a phenyl hydrazone and gives negative Tollens and iodoform tests. Compound (A) on reduction gives n-pentane. Compound (A) is
  • a) a primary alcohol
  • b) an aldehyde
  • c) a ketone
  • d) a secondary alcohol
Q.5
on Q125) Identify the product Y in the sequence
ch-28_que_no-125_img_no1.png
  • a) (CH3)2CHOH
  • b) CH3CH2OH
  • c) CH3OH
  • d) CH3CH2OH
Q.6
Stephen's reaction is reduction of
  • a) acyl halide in the presence of Pd/BaSO4
  • b) alkyl cyanide with LiAlH4
  • c) alkyl cyanide with SnCl2 and HCl
  • d) alkyl isocyanide with Na and alcohol
Q.7
han One Correct Answers Q127) Benzaldehyde in Clemmensen reduction form(s)
  • a) methyl benzene
  • b) phenyl methane
  • c) toluene
  • d) none of these
Q.8
on Q128) In the given reaction X is
ch-28_que_no-128_img_no1.png
  • a) C2H5COOH
  • b) CH3COOH
  • c) (COOH) - CH=CH-(COOH)
  • d) CH3CH = CH - COOH
Q.9
on Q129) The correct order of reactivity of PhMgBr with
ch-28_que_no-129_img_no1.png
  • a) I > II > III
  • b) III > II > I
  • c) II > III > I
  • d) I > III > II
Q.10
Formaldehyde is not used in
  • a) adhesives
  • b) bakelite
  • c) tooth powders
  • d) explosives
Q.11
Which of the following will react with water? [ IIT 1998]
  • a) CHCl3
  • b) Cl3CCHO
  • c) CCl4
  • d) ClCH2CH2Cl
Q.12
Which of the following is correct for carbonyl compounds?
  • a)
    ch-28_qn-132choice_img_no1.png
  • b)
    ch-28_qn-132choice_img_no2.png
  • c)
    ch-28_qn-132choice_img_no3.png
  • d)
    ch-28_qn-132choice_img_no4.png
Q.13
Treatment of acetaldehyde with ethyl magnesium bromide and subsequently hydrolysis gives
  • a) 1-butanol
  • b) 2-butanol
  • c) 1-propanol
  • d) tert-butanol
Q.14
Propan-2-ol on treatment with copper at 300°C forms
  • a) Ethane
  • b) Acetone
  • c) Acetaldehyde
  • d) Both a and b
Q.15
The compound which does not give aldol condensation is ... .. [ DEC 2005]
  • a) CH3CHO
  • b) (CH3)3C - CHO
  • c) CH3 - CH2 - CHO
  • d) CH3COCH3
Q.16
han One Correct Answer Q136) Which of the following reaction is/are used in the preparation of alcohol?
  • a) C2H5Br + KOH(aq) →
    ch-28_qn-136choice_img_no2.png
  • b)
    ch-28_qn-136choice_img_no3.png
  • c)
    ch-28_qn-136choice_img_no4.png
  • d)
Q.17
on Q137) The above reaction is called ... ..[ Haryana CEET 1998]
ch-28_que_no-137_img_no1.png
  • a) Perkin's reaction
  • b) Reimer-Tiemann reaction
  • c) Duff's reaction
  • d) Gattermann reaction
Q.18
on Q138) End product of the following sequence of reaction is
ch-28_que_no-138_img_no1.png
  • a) CH2(COOH)2
    ch-28_qn-138choice_img_no2.png
  • b)
    ch-28_qn-138choice_img_no3.png
  • c)
    ch-28_qn-138choice_img_no4.png
  • d)
Q.19
The reagent used for the separation of acetaldehyde from acetophenone is
  • a) NaOH/I2
  • b) C6H5NHNH2
  • c) NaHSO3
  • d) NH2OH
Q.20
When vapour of iso-propyl alcohol are passed over heated copper, the major product obtained is ... ... [ Punjab CET 1998]
  • a) Propylene
  • b) Acetone
  • c) Propane
  • d) Acetyldehyde
Q.21
Ketones are prepared by
  • a) Cannizzaro's reaction
  • b) Rosenmund's reduction
  • c) Clemmensen's reduction
  • d) Oppenauer's oxidation
Q.22
Acetone when saturated with dry acid gives
  • a) diacetone alcohol
  • b) mesityl oxide
  • c) mesitylene
  • d) propane
Q.23
han One Correct Answer Q143) Which of the following aldehydes undergo(es) aldol condensation?
  • a) p-ClC6H4CHO
  • b) CH3CHO
  • c) C6H5CHO
  • d) C6H5CH2CHO
Q.24
Acetaldehyde undergoes self condensation in presence of aluminium ethoxide to give ethyl acetate. This reaction is called
  • a) Aldol condensation
  • b) Perkin reaction
  • c) Tischenko's reaction
  • d) Cannizaro's reaction
Q.25
han One Correct Answer Q145) Which has/ have acidic hydrogen?
  • a) CH3C ≡ CH
  • b) C6H5COCH2CN
  • c) CH3COCH2COCH3
  • d) CH3COCH2CN
Q.26
When ethanal reacts with CH3MgBr and C2H5OH/ dry HCl the product formed are ....
  • a) Propane and methyl acetate
  • b) 2-propanol and acetal
  • c) ethane and hemiacetal
  • d) ethyl alcohol and 2-propanol
Q.27
han One Correct Answers Q147) Which of the following statements is/are correct regarding benzaldehyde?
  • a) On reduction it yield phenol
  • b) On oxidation it yield benzoic acid
  • c) It is used in perfumary
  • d) It is known as oil of bitter almonds
Q.28
When m-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is(are)
  • a)
    ch-28_qn-148choice_img_no1.png
  • b)
    ch-28_qn-148choice_img_no2.png
  • c)
    ch-28_qn-148choice_img_no3.png
  • d)
    ch-28_qn-148choice_img_no4.png
Q.29
Ketones (R1COR2); R1=R2=alkyl group, can be obtained in one step by
  • a) Oxidation of primary alcohol
  • b) Oxidation of secondary alcohols
  • c) Reaction of acid halides and alcohol
  • d) Hydrolysis of ester
Q.30
on Q150) The structure of compound B is
ch-28_que_no-150_img_no1.png
  • a)
    ch-28_qn-150choice_img_no1.png
  • b)
    ch-28_qn-150choice_img_no2.png
  • c)
    ch-28_qn-150choice_img_no3.png
  • d)
    ch-28_qn-150choice_img_no4.png
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