Q.1
Chlorine does not react with
  • a) CH3CHO
  • b) C6H5CHO
  • c) propanone
  • d) methanal
Q.2
Base catalysed aldol condensation occurs with
  • a) propionaldehyde
  • b) 2,2-dimethyl propionaldehyde
  • c) benzaldehyde
  • d) none of the above
Q.3
Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as ... [NEET 2020]
  • a) Cross Cannizzaro’s reaction
  • b) Cross Aldol condensation
  • c) Aldol condensation
  • d) Cannizzaro’s reaction
Q.4
tion Q2) Identify compound X in the following sequence of reactions ... [NEET 2020]
ch-28_que_no-2_img_no1.png
  • a)
    ch-28_qn-2choice_img_no1.png
  • b)
    ch-28_qn-2choice_img_no2.png
  • c)
    ch-28_qn-2choice_img_no3.png
  • d)
    ch-28_qn-2choice_img_no4.png
Q.5
X heated with soda lime and gives ethane. X is ... [ AFMC 2005]
  • a) ethanoic acid
  • b) methanoic acid
  • c) propionic acid
  • d) ether
Q.6
Which of the following us correct order of acidity? [ AFMC 2011]
  • a) HCOOH > CH3COOH > ClCH2COOH > C2H5COOH
  • b) ClCH2COOH > HCOOH >CH3COOH >C2H5COOH
  • c) CH3COOH > HCOOH > ClCH2COOH > C2H5COOH
  • d) C2H5COOH > CH3COOH > HCOOH > ClCH2COOH
Q.7
When acetamide reacts with Br2 in presence of NaOH, there is formation of .. [ AFMC 2010]
  • a) CH3NH2
  • b) CH3CH2OH
  • c) CH3CN
  • d) CH3CHO
Q.8
Which of the following does not give benzoic acid on hydrolysis? [ AFMC 2008]
  • a) Phenyl Cyanide
  • b) Benzoyl Chloride
  • c) Benzyl chloride
  • d) Methyl benzoate
Q.9
The reagent which does not give acid chloride on treating with carboxylic acid is ... [ AFMC 2007]
  • a) PCl5
  • b) Cl2
  • c) SOCl2
  • d) PCl3
Q.10
By which reaction a ketone can be converted into hydrocarbon? [ AFMC 1999]
  • a) Aldol condensation
  • b) Reimer -Tiemann reaction
  • c) Cannizaro reaction
  • d) Wilf-Kishner reaction
Q.11
Which of the following can not be used in Friedel-craft's reaction...[ AFMC 204]
  • a) FeCl3
  • b) FeBr3
  • c) AlCl3
  • d) NaCl
Q.12
When dihydroxyacetone reacts with HIO4, the product is /are... [ AFMC 2006]
  • a) HCHO
  • b) HCOOH
  • c) HCHO and HCOOH
  • d) HCHO and CO2
Q.13
Acetaldehyde reacts with NH3 to form... [ AFMC 2010]
  • a) An acidic solution
  • b) A basic solution
  • c) A neutral solution
  • d) Urotropine
Q.14
Acetone mixed with bleaching powder give .. [ AFMC 2004]
  • a) Chloroform
  • b) acetaldehyde
  • c) ethanol
  • d) phosgen
Q.15
Reactivity towards nucleophilic addition reaction of (I) HCHO ; (II) CH3CHO ; (III) CH3COCH3 is ... ...[ Orissa JEE 2004]
  • a) II > III > I
  • b) III > II > I
  • c) I > II > III
  • d) I > II > III
Q.16
Acetone reacts with Grignard Reagent to form
  • a) 1° alcohol
  • b) 2° alcohol
  • c) 3° alcohol
  • d) Ether
Q.17
ion Q15) What is Z in follwing equation
ch-28_que_no-15_img_no1.png
  • a) Phenyl acetic acid
  • b) Toluic acid
  • c) Benzaldehyde
  • d) Benzoic acid
Q.18
Than One Correct Answer Q16) The group >CO is present in
  • a) aldehydes
  • b) alcohol
  • c) ketones
  • d) ether
Q.19
ion Q17) Assertion: HCHO has sp2-hybridised carbon and the following geometry Reason:The bond angles are changed due to multipe bond-bond pair repulsion
ch-28_que_no-17_img_no1.png
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.20
Propyne on hydrolysis in presence of H2SO4 and HgSO4 gives
  • a) Acetone
  • b) Acetadehyde
  • c) Formaldehyde
  • d) None
Q.21
Than One Correct Answer Q19) Which of the following do/does not react with Fehling's solution?
  • a) Acetone
  • b) Acetaldehyde
  • c) Benzaldehyde
  • d) Glucose
Q.22
Hybridization of carbon in carbonylic group is
  • a) sp
  • b) sp2
  • c) sp3
  • d) none of these
Q.23
The correct order of reactivity of >CO group in given compounds is
  • a)
    ch-28_qn-21choice_img_no1.png
  • b)
    ch-28_qn-21choice_img_no2.png
  • c)
    ch-28_qn-21choice_img_no3.png
  • d)
    ch-28_qn-21choice_img_no4.png
Q.24
Than One Correct Answer Q22) Which give(s) nucleophilic acddition reaction(s)?
  • a) Ethanal
  • b) Methanal
  • c) Propanone
  • d) None of these
Q.25
Than One Correct Answer Q23) Which of the following undergo(es) Cannizzaro's reaction?
  • a) HCHO
  • b) (CH3)3CCHO
  • c) CH3CH2CHO
  • d) CH3CHO
Q.26
In presence of dry HCl gas, CH3CHO condense with C2H5OH to give
  • a) aldol
  • b) acetal
  • c) ethyl acetate
  • d) acetal
Q.27
The reduction of benzoyl chloride with H2/Pd - BaSO4 produces
  • a) Benzoyl cyanide
  • b) Benzoic acid
  • c) Benzyl alcohol
  • d) Benzaldehyde
Q.28
ion Q26) Compound X in follwoing reaction is ....
ch-28_que_no-26_img_no1.png
  • a) CH3COOH
  • b) BrCH2-COOH
  • c) (CH3CO)2O
  • d) CHO - COOH
Q.29
Acetaldehyde is used
  • a) in the preparation of hypnotic drug
  • b) in the preparation of dyes
  • c) in the preparation of chloral
  • d) all are correct
Q.30
Aldol condensation will not be obsrved in
  • a) Ethanal
  • b) Hexanal
  • c) Phenyl acetaldehyde
  • d) Chloral
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