Q.1
Attacking species in nitration of benzene, which of the following is intermediate?
  • c) C6H5NH - NHC6H5
  • a) C6H5 - N = N - C6H5
    ch-27_qn-122choice_img_no4.png
  • b) C6H5 - N = O
  • d)
Q.2
on Q123) The IUPAC name of following compound is
ch-27_que_no-123_img_no1.png
  • a) 2-cyno-3methyl hexane
  • b) 2,4-dimentyl pentane nitrile
  • c) 2-dimethyl-4-cyanopentane
  • d) 2-cyno-3-methyl hexane
Q.3
Aniline when treated with conc. HNO3 gives
  • a) Nitrobenzene
  • b) p-phenylenediamine
  • c) p-benzoquinone
  • d) m-nitroaniline
Q.4
In the nitration of benzene with a mixture of concentrated nitric acid and concentrated sulphuric acid, the active species involved is
  • a) Nitrate ion
  • b) Nitrite ion
  • c) Nitronium ion
  • d) Nitric oxide
Q.5
on Q126) Identify X in the sequence.
ch-27_que_no-126_img_no1.png
  • a) (CH3)3N
  • b) CH3-CH2-CH2-NH2
  • c) CH3-NH-CH2-CH3
  • d) none of the above
Q.6
The correct order of increasing basicity in aqueous solution is
  • a) C6H5NH2 < NH3 < C6H5NH2 <(C2H5)3N<(C2H5)2NH
  • b)NH3 < C6H5NH2 < (C2H5)2NH < C2H5NH2 < (C2H5)3N
  • c) C6H5NH2 < NH3 < (C2H5)3N < C6H5NH2 < (C2H5)2NH
  • d) None of the above
Q.7
Which of the following statement about primary amines is false?
  • a) Alkyamines are stronger base than aryl amines
  • b) Alkylamines reacts with nitrous acid to produce alcohols
  • c) Arylamines react with nitrous acid to produce phenols
  • d) Alkylamines are stronger base than ammonia
Q.8
Reaction of aniline with benzaldehyde is a .... .... reaction
  • a) Addition
  • b) Substitution
  • c) Condensation
  • d) None of these
Q.9
Amongst the following, the most basic compound is
  • a) Aniline
  • b) Acetanilide
  • c) Benzylamine
  • d) p-nitroaniline
Q.10
on Q131)What is A infollowing reaction
ch-27_que_no-131_img_no1.png
  • a) RCONH2
  • b) RCOOH
  • c) RNH2
  • d) R-NCO
Q.11
Reduction of nitrobenzene in the presence of Zn/NH4Cl gives
  • a) Aniline
  • b) Azobenzene
  • c) Hydraazobenzene
  • d) N-phenylhydroxylamine
Q.12
on Q133) Match the compounds in List I with the appropriate test that will be answered by each one of them in List II from the combinations shown:
I. Propyne A. Reduces Fehling's solution
II. Ethyl benzoate B. Forms a precipitate with AgNO3 in ethanol
III. Acetaldehyde C. Insoluble in water but dissolveds in aqueous NaOH solution upon heating
IV. Aniline D. Dissolves in dilute HCl in the cold and is reprecipitated by the addition of alkali
  • a) I - B, II - C, III - A, IV - D
  • b) I - A, II - D, III - B, IV - C
  • c) I - D, II - B, III - C, IV - A
  • d) I - A, II - D, III - C , IV - B
Q.13
The active species produced in Hofmann's bromide reaction is
  • a) Br2
  • b) OBr-
  • c) OBr2
  • d) Br-
Q.14
Nitrosoamines ( R2N - N = O) are insoluble in water. On heating with conc. H2SO4, they give secondary amines. The reaction is called
  • a) Fries reaction
  • b) Perkin reaction
  • c) Liebermann nitroso reaction
  • d) Etard reaction
Q.15
Assertion: In strongly acidic medium, aniline becomes less reactive towards electrophilic reagent Reason: - NH2 group is o- and p- directing
  • a) both the assertion and reason are true and reason explains the assertion
  • b) both the assertion and reason are true but reason does not explain the assertion.
  • c) assertion is true but reason is false
  • d) assertion is false but reason is true.
Q.16
Dry test can be used to distingusish between
  • a) Methyl amine and ethyl amine
  • b) Urea and acetamide
  • c) Ethyl amine and aniline
  • d) Ethyl amine and acetamide
Q.17
A positive carbylamine test is given by ... ...[ IIT 1999 ]
  • a) N, N-dimethylaniline
  • b) 2,4-dimethylaniline
  • c) N-methyl-o-methylamine
  • d) p-methyl benzylamine
Q.18
Ketones and 1° amines react to form
  • a) amides
  • b) anils
  • c) urea
  • d) oximes
Q.19
Acetoneoxime on catalytic hydrogenation gives [ PET (MP) 1993]
  • a) 1-propanamine
  • b) isopropylamine
  • c) ethyl methyl amine
  • d) CH4 and ethanamine
Q.20
Aniline, chloroform and alc.KOH on heating give
  • a) phenyl isocyanide
  • b) phenol
  • c) phenyl cyanide
  • d) chlorobenzene
Q.21
Amongst the compounds given, the one that would form a brilliant coloured dye on treatment with NaNO2 in dil. HCl followed by addition to an alkaline solution of β-naphthol is [ IIT 2011]
  • a)
    ch-27_qn-142choice_img_no1.png
  • b)
    ch-27_qn-142choice_img_no2.png
  • c)
    ch-27_qn-142choice_img_no3.png
  • d)
    ch-27_qn-142choice_img_no4.png
Q.22
A compound A has a molecular formula C7H7NO. On treatment with Br2 and KOH, A gives an amine B which gives carbylamine test, B upon diazotisation and coupling with phenol gives an azo dye. A can be
  • a) C6H5NO2
  • b) C6H5CONH2
  • c) o-, m- and p-C6H4(NH2)CHO
  • d) none of above
Q.23
Which of the following reactions does not yield an amine?
  • a) R-X + NH3 →
    ch-27_qn-145choice_img_no2.png
  • b)
    ch-27_qn-145choice_img_no3.png
  • c)
    ch-27_qn-145choice_img_no4.png
  • d)
Q.24
on Q146) Identify X in the reaction
ch-27_que_no-146_img_no1.png
  • a)
    ch-27_qn-146choice_img_no1.png
  • b)
    ch-27_qn-146choice_img_no2.png
  • c)
    ch-27_qn-146choice_img_no3.png
  • d)
    ch-27_qn-146choice_img_no4.png
Q.25
When nitrobenzene is treated with Br2 in presence of FeBr3, the major product formed in m-bromonitrobenzene. Statements which are related to obtain the m-isomer are ... [ IIT 1992]
  • a) the relative electron density on meta carbon is more than that of ortho and para positions
  • b) loss of aromaticity when Br+ attacks at the ortho and para positions and not at meta position
  • c) easier loss of H+ to regain aromaticity from the meta position than from ortho and para positions
  • d) none of the above
Q.26
Benzamide on reaction with POCl3 gives ... .. [ IIT 2004]
  • a) aniline
  • b) chlorobenzene
  • c) benzylamine
  • d) benzonitrile
Q.27
han one correct answer Q149) Using anhydrous AlCl3 as catalyst, which one of the reaction produces ethyl benzene?
  • a) CH3CH2OH + C6H6
  • b) CH3-CH3+ C6H6
  • c) CH3CH=CH2 + C6H6
  • d) CH2 = CH2+ C6H6
Q.28
on Q150) In the following reaction, the product X is .... [ IIT 2007]
ch-27_que_no-150_img_no1.png
  • a)
    ch-27_qn-150choice_img_no1.png
  • b)
    ch-27_qn-150choice_img_no2.png
  • c)
    ch-27_qn-150choice_img_no3.png
  • d)
    ch-27_qn-150choice_img_no4.png
Q.29
The one which is least basic is
  • a) (C6H5)3N
  • b) C6H5NH2
  • c) NH3
  • d) (C6H5)2NH
Q.30
Which of the following compounds does not react with NaNO2 and HCl
  • a) C6H5NH2
  • b) (CH3)2CHNO2
  • c) C6H5OH
  • d) (CH3)3CNO2
0 h : 0 m : 1 s