Download App

Chemistry M.C.Q (1 Marks)

Amines · CBSE STD 12 Science (CBSE - English Medium). 35 questions.

Questions

M.C.Q (1 Marks)

Take a timed test

35 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Secondary amine among the following is :
  • A
    Propan$-2-$amine
  • B
    Pentan$-3-$amine
  • ✓
    $N-$Methylethanamine
  • D
    $N, N-$Dimethylmethanamine
Answer
Correct option: C.
$N-$Methylethanamine
View full question & answer→
MCQ 21 Mark
The compound showing highest basic strength in aqueous solution is :
  • A
    $\left( C _2 H _5\right)_3 N$
  • ✓
    $\left( C _2 H _5\right)_2 NH$
  • C
    $C _2 H _5 NH _2$
  • D
    $NH _3$
Answer
Correct option: B.
$\left( C _2 H _5\right)_2 NH$
View full question & answer→
MCQ 31 Mark
The hybridisation state of nitrogen in trimethylamine is :
  • A
    $sp$
  • B
    $sp ^2$
  • ✓
    $sp ^3$
  • D
    $dsp ^2$
Answer
Correct option: C.
$sp ^3$
View full question & answer→
MCQ 41 Mark
The amine with lowest $pK _{ b }$ is :
  • A
    $CH _3 NH _2$
  • ✓
    $\left( CH _3\right)_2 NH$
  • C
    $\left( CH _3\right)_3 N$
  • D
    $C _6 H _5 NH _2$
Answer
Correct option: B.
$\left( CH _3\right)_2 NH$
View full question & answer→
MCQ 51 Mark
When benzene diazonium salt reacts with phenol 16 forms a dyne. This reaction is called :
  • A
    Diazotization reaction
  • B
    Condensation reaction
  • ✓
    Coupling reaction
  • D
    Acetylation
Answer
Correct option: C.
Coupling reaction
View full question & answer→
MCQ 91 Mark
Aniline first reacts with acetyl chloride producing compound $' A\ '$. A reacts with nitric acid/sulphuric acid mixture and produces compound $' B\ ',$ which hydrolysis to compound $' C\ '.$ What is compound $' C\ '?$
  • A
    Acetanilide
  • B
    $p-$nitro acetanilide
  • ✓
    $p-$nitro aniline
  • D
    sulphonic acid
Answer
Correct option: C.
$p-$nitro aniline
View full question & answer→
MCQ 101 Mark
How many primary amines are possible from the molecular formula $C _4 H _{11} N$ ?
  • A
    $1$
  • B
    $2$
  • C
    $3$
  • ✓
    $4$
Answer
Correct option: D.
$4$
View full question & answer→
MCQ 111 Mark
By which of the following reaction primary amine is not obtained?
  • A
    $CH _3 CONH _2 \xrightarrow{ Br _2 / KOH }$
  • B
    $CH _3 CN \xrightarrow{ LiAlH _4}$
  • ✓
    $CH _3 NC \xrightarrow{ LiAlH _4}$
  • D
    $CH _3 CONH _2 \xrightarrow{ LiAlH _4}$
Answer
Correct option: C.
$CH _3 NC \xrightarrow{ LiAlH _4}$
View full question & answer→
MCQ 121 Mark
The product obtained by heating Benzyl amine with chloroform and ethanolic $\text{KOH}$ is :
  • A
    Benzyl alcohol
  • B
    Benzaldehyde
  • C
    Benzonitrile
  • ✓
    Benzyl isocyanide
Answer
Correct option: D.
Benzyl isocyanide
View full question & answer→
MCQ 131 Mark
Name the amine that does not liberate nitrogen by reacting with nitrous acid :
  • ✓
    Trimethyl amine
  • B
    Ethyl amine
  • C
    Secondary$-$butyl amine
  • D
    Isopropyl amine
Answer
Correct option: A.
Trimethyl amine
View full question & answer→
MCQ 141 Mark
Identify the products in the following reaction sequence :
$\text { 3,4,5-tribromoaniline } \xrightarrow[\text { (ii) } H_3 PO_2]{\text { (i) Dizotization }}$
  • A
    $3, 4, 5-$tribromo benzene
  • ✓
    $1, 2, 3-$tribromo benzene
  • C
    $3, 4, 5-$tribromo phenol
  • D
    $3, 4, 5-$tribromonitro benzene
Answer
Correct option: B.
$1, 2, 3-$tribromo benzene
View full question & answer→
MCQ 151 Mark
On heating primary alkyl amine with chloroform and alcoholic $\text{KOH} ,$ this is formed :
  • A
    Alkyl chloride
  • B
    Alkyl alcohol
  • ✓
    Alkyl isocyanide
  • D
    Alkene
Answer
Correct option: C.
Alkyl isocyanide
View full question & answer→
MCQ 161 Mark
Which of the following compound on reduction with $LiAlH _4$ gives $2^{\circ}$ amine :
  • ✓
    $CH _3- CH _2- NC$
  • B
    $CH _3 CONH _2$
  • C
    $CH _3- NO _2$
  • D
    $CH _3- CH _2- CN$
Answer
Correct option: A.
$CH _3- CH _2- NC$
a
View full question & answer→
MCQ 171 Mark
Which of the following compound does not react with $CH _3 COCl$ ?
  • A
    $C _2 H _5 OH$
  • B
    $\left( CH _3- CH _2\right)_2 NH$
  • ✓
    $\left( CH _3\right)_3 N$
  • D
    $CH _3 NH _2$
Answer
Correct option: C.
$\left( CH _3\right)_3 N$
c
View full question & answer→
MCQ 201 Mark
In the given reaction compound C is:
Image
  • A
    $CH _3- CH _2- CH _2- NH _2$
  • B
    $CH _3- CH _2- NH - CH _3$
  • ✓
    $CH _3- CH _2- CH _2 NH $ $COCH _3$
  • D
    $CH _3- CH _2- CONH - COCH _3$
Answer
Correct option: C.
$CH _3- CH _2- CH _2 NH $ $COCH _3$
c
View full question & answer→
MCQ 211 Mark
Which of the following product will not be formed when $C _6 H _5 \stackrel{+}{ N }{ }_2 \stackrel{-}{ C }$ is reduced with $CH _3 CH _2 OH$ :
  • A
    $C _6 H _6$
  • B
    $C _6 H _5- CHO$
  • C
    $N _2$
  • ✓
    $NH _3$
Answer
Correct option: D.
$NH _3$
d
View full question & answer→
MCQ 221 Mark
The compound formed by the reaction
$C _6 H _5 \stackrel{+}{ N }_2 \overline{ C } C + KI$ is :
  • A

    Image
  • ✓

    Image
  • C

    Image
  • D

    Image
Answer
Correct option: B.

Image
b
View full question & answer→
MCQ 241 Mark
The $- NH _2$ group for electrophilic substitution is :
  • A
    m-directing
  • ✓
    o- and p-directing
  • C
    only o-directing
  • D
    only p-directing
Answer
Correct option: B.
o- and p-directing
b
View full question & answer→
MCQ 251 Mark
Which of the following is the most basic compound?
  • A
    $\left( C _2 H _5\right)_3 N$
  • ✓
    $\left( C _2 H _5\right)_2 NH$
  • C
    $C _2 H _5 NH _2$
  • D
    $NH _3$
Answer
Correct option: B.
$\left( C _2 H _5\right)_2 NH$
b
View full question & answer→
MCQ 261 Mark
Which of the following has minimum $pK _{ b }$ value?
  • ✓
    N-methyl methan amine
  • B
    N,N-dimethyl methan amine
  • C
    Methanamine
  • D
    Benzenamine
Answer
Correct option: A.
N-methyl methan amine
a
View full question & answer→
MCQ 271 Mark
Which of the following has the highest boiling point?
  • A
    $CH _3- CH _2- CH _2- NH _2$
  • B
    $CH _3- NH - CH _2- CH _3$
  • ✓

    Image
  • D
    All have equal
Answer
Correct option: C.

Image
c
View full question & answer→
MCQ 291 Mark
IUPAC name of the following compound
Image
  • A
    Ethane diamine
  • ✓
    Ethane-1,2-diamine
  • C
    1,2-diaminoethane
  • D
    2-Amino ethanamine
Answer
Correct option: B.
Ethane-1,2-diamine
b
View full question & answer→
MCQ 311 Mark
When benzene diazonium chloride is reacted with compound y , a dye is formed, compound y is :
  • A
    $C _6 H _6$
  • B
    $C _2 H _5 OH$
  • C
    $H _2 O$
  • ✓
    $C _6 H _5 NH _2$
Answer
Correct option: D.
$C _6 H _5 NH _2$
d
View full question & answer→
MCQ 321 Mark
By which of the following are primary amines identified?
  • A
    NaOH
  • B
    HCl
  • C
    $CHCl _3$
  • ✓
    $CHCl _3+ KOH$
Answer
Correct option: D.
$CHCl _3+ KOH$
d
View full question & answer→
MCQ 331 Mark
The product obtained on reduction of ethane nitrile by $LiAlH _4$ :
  • A
    methyl amine
  • ✓
    ethyl amine
  • C
    dimethyl amine
  • D
    trimethyl amine
Answer
Correct option: B.
ethyl amine
b
View full question & answer→
MCQ 341 Mark
The product obtained on reduction of nitrobenzene with $Sn + HCl$ in acidic medium will be :
  • A
    N-phenyl hydroxyl amine
  • B
    Phenol
  • ✓
    Aniline
  • D
    N-methyl aniline
Answer
Correct option: C.
Aniline
c
View full question & answer→
MCQ 351 Mark
What is the hybridization state of N in $R _3 N$ ?
  • ✓
    $sp ^3$
  • B
    sp
  • C
    $sp ^2$
  • D
    $sp ^3 d$
Answer
Correct option: A.
$sp ^3$
a
View full question & answer→
Generate Paper FreeAll Amines topics