NEET Chemistry Chapter Wise Mock Test – Organic Compounds Containing Nitrogen
Acetonoxime on catalytic hydrogenation gives
(d) ethylmethyl amine
The end product in the following reaction is
(a) ethyl cyanide
(b) ethyl amine
(c) methyl amine
In the above sequence. A and C are
I. methanal, methyl amine
II. acetone, ethanamine
III. ethanal, dimethyl amine .
IV. acetaldehyde, ethylamine
(a) Only II
(b) Only IV
(c) Only I
(d) Only III
In the reaction of (s)-2-phenyl propanamide with NaOBr/H2O to give 1-phenylethylamine,
(a) there is retention of configuration
(b) there is inversion of configuration
(c) a mixture of two products is obtained
(d) there is no reaction
Which of the following reactions is given by only primary amines?
(a) Reaction with HONO
(b) Reaction with CHCl3 and alcoholic KOH
(c) Reaction with acetyl chloride ‘
(d) Reaction with Grignard’s reagent
Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid.The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so obtained contains
(a) mixture of o-and p-bromotoluenes
(b) mixture of o-and p-dibromobenzenes
(c) mixture of o-and p-bromoanilines
(d) mixture of o-and m-bromotoluenes
Hofmann bromamide degradation reaction is shown by
Which of the following reagents would not be a good choice for reducing an aryl nitro compound to an amine?
(a) H2 (excess)/Pt
(b) LiAlH4 in ether
(c) Fe and HCl
(d) Sn and HCl
In order to prepare a 1° amine from an alkyl halide with simultaneous addition of one CH2 group in the carbon chain, the reagent used as source of nitrogen is
(a) sodium amide, NaNH2
(b) sodium azide, NaN3
(c) potassium cyanide, KCN
(d) potassium phthalimide, C6H4(CO)2N–K+
IUPAC name of the following compound is
(a) N,N-dimethyl cyclopropane carboxamide
(b) N-methylcyclo propanamide
(d) None of the above
Which of the following should be most volatile?
(a) Only II
(b) Only IV
(c) Only I
(d) Only III
Melting points are normally highest for
(a) tertiary amides
(b) secondary amides
(c) primary amides
Aniline on oxidation with MnO2 and H2SO4 produces
(d) phenyl hydroxylamine
N2 gas is liberated when (HCl+ NaNO2) reacts with the following compounds.
The answer is
(a) I,II and III
(b) II,III and IV
(c) I,III and IV
(d) I,II and IV
The true statement about the product is
(a) It does not exist as zwitter ion
(b) —NH2 displays a powerful basic character
(c) It does not act as inner salt
(d) —SO3 diminishes the basic character of —NH2
The compound that will react most readily with NaOH to form methanol, is
Aniline react with acetaldehyde to form
(a) Schiff’s base
(d) None of these
Which of the following is more basic than aniline?
(a) Diphenyl amine
Aniline in a set of reactions yielded a product D
The structure of the product D would be
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
In the chemical reaction,
CH3CH2NH2 + CHCl3 + 3KOH ———> A+B+ 3H2O
The compounds (A) and (B) respectively are
(a) CH3CH2CONH2, 3KCl
(b) C2H5NC, K2CO3
(c) C2H5NC, 3KCl
(d) C2H5CN, 3KCl
Which will not go for diazotisation?
Which of the following is the strongest base?
The product’ C’ is
(c) benzoic acid
(d) benzyl amine
Dye test can be used to distinguish between
(a) ethylamine and acetamide
(b) urea and acetamide
(c) methylamine and ethylamine
(d) ethylamine and aniline
Identify the product in the following sequence
(a) 3, 4, 5-tribromobenzene
(b) 1, 2, 3-tribromobenzene
(c) 2, 4, 6-tribromobenzene
(d) 3, 4, 5-tribromonitrobenzene
Benzene diazonium chloride on reaction with phenol in weakly basic medium gives
(a) diphenyl ether
(b) p-hydroxy azobenzene
Which one of the following is not the correct reaction of aryl diazonium salts?
A compound A has 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 azo dye. ‘A can be
Which one of the following will give primary amine on hydrolysis?
(a) Nitro paraffins
(b) Alkyl isocyanide
(c) Alkyl cyanide
Butane nitrile may be prepared by heating
(a) propyl alcohol with KCN
(b) butyl alcohol with KCN
(c) butyl chloride with.KCN
(d) propyl chloride with KCN
An aliphatic amine on treatment with alcoholic carbon disulphide and mercuric chloride forms ethyl isothiocyanate, the reaction is known as
(a) Hofmann’s reaction
(b) Hofmann’s rearrangement
(c) Hofmann’s mustard oil reaction
(d) Hofmann’s bromamide degradation reaction
Reaction of aniline with acetyl chloride in the presence of NaOH gives
(b) p-chloro aniline
(c) red dye
(d) aniline hydrochloride
Which is not the property of ethanenitrile (CH3CN)?
(a) Undergoes acidic hydrolysis to give carboxylic acid
(b) Undergoes alkaline hydrolysis to give salt of carboxylic acid
(c) It tautomerises to give methyl isocyanide
(d) It gives carbylamine reaction with chloroform
In the reaction
The term Y is
(d) dimethyl amine
Direction (Q.NOs. 36-37): In the following questions more than one of the answers given may be correct. Select the correct answers and mark it according to the codes.
(a) 1, 2 and 3 are correct
(b) 1 and 2 are correct
(c) 2 and 4 are correct
(d) 1 and 3 are correct
Consider the following Compounds.
Select the correct statement (s).
1.I is more basic than II
2.I is more basic than I and III
3.Ill is more basic than II
4.I is weakly acidic
Benzyl amine may be prepared by
Direction (Q.Nos. 39-42): Each of these questions contains two statements: Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.
(a) Assertion is true, Reason is true; Reason is a correct explanation for Assertion.
(b) Assertion is true, Reason is true; Reason is not a correct explanation for Assertion.
(c) Assertion is true, Reason is false.
(d) Assertion is false, Reason is true.
Assertion: 2,6-dimethyl aniline is more basic than 3,5-dimethyl aniline.
Reason: The electronic effect of methyl groups is more at 2 and 6 position in comparision to 3 and 5 position in aniline.
Assertion: Hydrolysis of cyanides always gives formic acid as one of the products.
Reason: Isocyanides on reduction with SnCl2/HCl followed by hydrolysis gives aldehydes.
Assertion: Methyl cyanide has higher boiling point than methyl isocyanide.
Reason: Dipole moment of methyl cyanide is higher than that of methyl isocyanide.
Assertion: A primary amine has higher boiling point than any tertiary amine.
Reason: A tertiary amine has greater number of N—H bonds for H-bonding.
The electrolytic reduction of nitrobenzene in strongly acidic medium produces
In the following reaction, the product(A)
Some mefa-directing substituents in aromatic substitution are given. Which one is most deactivating?
Which of the following compounds will not undergo Friedel-Crafts reaction easily?
In the reaction
(b) H3PO2 and H2O
Nitrobenzene on reaction with cone. HNO3/H2SO4 at 80°C-100°C forms, which one of the following products?
(a) 1, 3-dinitrobenzene
(b) 1, 4-dinitrobenzene
(c) 1, 2, 4-trinitrobenzene
(d) 1, 2-dinitrobenzene
Among the following compounds, the one that is most reactive towards electrophilic nitration is
(a) benzoic acid
The correct order of increasing basic nature of the following base is
(a) II < V < I < III < IV
(b) V < II < I < III < IV
(c) II < V < I < IV < III
(d) V < II < I < IV < III
In the following reaction,
(a) benzoic acid
(b) salicylic acid
The reaction of chlorofom with alcoholic KOH and p-toluidine form
The most basic compound in the following is
Reaction of aniline with benzaldehyde is
Parkinson’s disease is linked to abnormalities in the levels of dopamine in the body. The structure of dopamine is
Which of the following statements about primary amines is false?
(a) Alkyl amines are stronger bases than aryl amines
(b) Alkyl amines react with nitrous acid to produce alcohols
(c) Aryl amines react with nitrous acid to produce phenols
(d) Alkyl amines are stronger bases than ammonia
Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?
(c) Hot conc.H2SO4
Aniline in a set of the following reactions yielded a coloured product ‘ Y’.
N2 gas will not be evolved Upon reaction of HNO2 with which of the following amines?
(d) Both (b) and (c)
The correct order of basic strength of CH3NH2(I), (CH3)2NH(II), (CH3)3N(III), C6H5CH2NH2(IV) in gaseous phase is
(a) IV < III < II < I
(b) IV < III < I < II
(c) I < II < III < IV
(d) IV < I < II < III
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