Q.1.
Alkanamide, which on Hofmann's reaction gives 1-phenylethylamine, is [ Roorkee 1994]
-
40%
a) 2-phenylpropanamide
-
20%
b) 3-phenylpropanamide
-
20%
c) 2-phenylethanamide
-
20%
d) N-phenylethanamide
Explanation
Q.2.
Which one of the following does not have sp2 hybridized carbon? [ AIEEE 2004]
-
50%
a) Acetone
-
0%
b) Acetic acid
-
25%
c) Acetonitrile
-
25%
d) Acetamide
Explanation
Q.3.
ion Q62) The correct oder of basicities of the following compounds isCH3CH2-NH2 (CH3)2NH
-
67%
a) 2 > 1 > 3 > 4
-
33%
b) 1 > 2 > 3 > 4
-
0%
c) 3 > 2 > 1 > 4
-
0%
d) 3 > 1 > 2 > 4
Q.4.
Reaction of cyclohexanone with dimethylamine in the presence of cataltic amount of an acid forms a compound if water during the reaction is continously removed. The compound is generally known as ... ... [ AIEEE 2005]
-
0%
a) A Schiff's base
-
67%
b) An enamine
-
0%
c) An imine
-
33%
d) An amine
Explanation
Q.5.
A primary amine heated with CS2 in presence of excess of HgCl2 gives isothiocyanate. The reaction is called
-
25%
a) Hoffmann elimination reaction
-
25%
b)Perkin condensation
-
25%
c) Hoffmann mustard oil reaction
-
25%
d) Hoffmann bromamide reaction
Q.6.
Acetamide and ethyl amine can be distinguished by reacting with
-
0%
a) Aqueous HCl and Heat
-
0%
b) Acidified NaOH and Heat
-
100%
c) Aqueous NaOH and heat
-
0%
d) Bromine water
Q.7.
ion Q67) What is Y isn following equation
-
33%
a) Acetanilide
-
67%
b) Benzanilide
-
0%
c) Azobenzene
-
0%
d) Hydrazobenzene
Explanation
Q.8.
than one correct answers Q68) In the reaction 2X + B2H6 → [BH2(X)2]+ [ BH4]- the amine(s) X is (are) .... .. [ IIT 2009]
-
33%
a) NH3
-
0%
b) CH3NH2
-
33%
c) (CH3)2NH
-
33%
d) (CH3)3N
Q.9.
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 formed contains ... ..[ AIEEE 2008]
-
0%
a) Mixture of o- and m-bromotoluenes
-
33%
b) Mixture of o- and p-bromotoluenes
-
67%
c) Mixture of o- and p-dibromobenzenes
-
0%
d) Mixture of o- and p-bromoanilines
Explanation
Q.10.
The pri. sec. and ter. amines can be distinguished by ... [ Roorkee 1991]
-
67%
a) Hinsberg's reagent
-
33%
b) Grignard reagent
-
0%
c) Fehling's solution
-
0%
d) Tollens reagent
Q.11.
ion Q71) Identify end product in the reaction given below
-
33%
a)
-
33%
b)
-
0%
c)
-
33%
d)
Explanation
Q.12.
Which of the following is not an explosive?
-
0%
a) Dynamite
-
33%
b) Trinitrotoluene
-
0%
c) Nitroglycerine
-
67%
d) o-Aminotoluene
Q.13.
Which has higest pKb value? ... [ DCE 2006]
-
67%
a) R3C - NH2
-
0%
b) R2NH
-
0%
c) RNH2
-
33%
d) NH3
Q.14.
Gabriels phtalimide reaction is used to prepare
-
33%
a) p-amine
-
0%
b) s-amine
-
0%
c) t-amine
-
67%
d) all of these
Explanation
Q.15.
A primary amine can be distinguished from secondary and tertiary amines by
-
0%
a) Reaction with acetyl chloride
-
0%
b) Reaction with methyl iodide
-
67%
c) Carbylamine reaction
-
33%
d) None of the above reactions
Q.16.
Which of the following reactions does not yield an amine?
-
33%
a) R - X + NH3
-
0%
b)
-
33%
c)
-
33%
d)
Explanation
Q.17.
In the chemical reaction CH3CH2NH2 + CHCl3 + 3KOH → (A) + (B) + 3H2O the compound (A) and (B) are respectively ... ..[ AIEEE 2007]
-
33%
a) C2H5NC and 3KCl
-
33%
b) C2H5CN and 3KCl
-
0%
c) CH3CH2CONH2 and 3KCl
-
33%
d) C2H5NC and K2CO3
Q.18.
Assertion: Acylation of aniline increases the reactivity of C6H6 ring Reason: Acylation of aniline decreases the eleectron density at C6H6 ring
-
0%
a) both the assertion and reason are true and reason explains the assertion
-
33%
b) both the assertion and reason are true but reason does not explain the assertion.
-
67%
c) assertion is true but reason is false
-
0%
d) assertion is false but reason is true.
Q.19.
Allyl isocyanide contains .... and .... bonds [ IIT 1995]
-
33%
a) 9σ, 3π
-
0%
b) 9σ, 9π
-
33%
c) 3σ, 4π
-
33%
d) 5σ, 7π
Explanation
Q.20.
Hinsberg's method to separate amines is based on the use of
-
100%
a) benzene sulphonyl chloride
-
0%
b) benzene sulphonic acid
-
0%
c) ethyl oxalate
-
0%
d) acetyl chloride
Q.21.
An organic compound (A) on reduction gives compound (B) , (B) on treatment with CHCl3 and alcoholic KOH gives (c). (C) on catalytic reduction gives N-methylaniline. The compound (A) is
-
33%
a) Nitrobenzene
-
33%
b) Nitromethane
-
0%
c) Aniline
-
33%
d) Methyl amine
Explanation
Q.22.
Tertiary nitro compounds do not tautomerise because
-
0%
a) There is no double bond
-
33%
b) There is no α-hydrogen
-
33%
c) Oxygen is more electronegative than hydrogen
-
33%
d) All of the avove
Q.23.
Carbonyl chloride reacts with ammonia to form
-
33%
a) NH2CONH2
-
33%
b) CH3COCNH2
-
0%
c) CO2
-
33%
d) CH3COONH4
Explanation
Q.24.
he reaction by which a primary amine is formed from a primary amide is called
-
33%
a) Hofmann bromamide reaction
-
33%
b) Gabriel phthalimide reaction
-
0%
c) Carbylamine reaction
-
33%
d) Liebermann nitrosoamine reaction
Q.25.
A secondary amine is ... ... [ KCET 1992]
-
0%
a) a compound with two -NH2 groups
-
0%
b) a compound with 2 carbon atoms and a -NH2 group
-
33%
c) a compound with a -NH2 group on the carbon atom in number 2 position
-
67%
d) a compound in which 2 of the hydrogens of NH3 have been replaced by alkyl or aryl groups
Q.26.
Benzoyl chloride does not react with
-
0%
a) primary or secondary amines
-
0%
b) aliphatic compounds
-
0%
c) aromatic compounds
-
100%
d) carboxylic acids
Q.27.
Which amine amongest the following will positively answer the carbylamine test ( i.e. heating with CHCl3 and KOH)?
-
33%
a) C6H5-N(C2H5)2
-
0%
b) C6H5 -NH - C4H9
-
33%
c) C6H5-NH-CH3
-
33%
d) CH3 - C6H4-NH2
Q.28.
Phenol on treatment with dil. HNO3 at room temperature gives
-
0%
a)
-
67%
b)
-
33%
c)
-
0%
d)
Q.29.
Which one of the following will be most basic?
-
33%
a) Benzylamine
-
0%
b) p-Methoxyaniline
-
0%
c) p-Methylaniline
-
67%
d) p-Nitroaniline
Q.30.
hich of the following statement is not correct?
-
25%
a) Methyl amine is more basic than NH3
-
25%
b) Ethyl amine has higher boiling point than propane
-
0%
c) Dimethyl amine is less basic than methyl amine
-
50%
d) Amines form hydrogen bonds