CBSE Questions for Class 12 Engineering Chemistry Amines Quiz 13 - MCQExams.com

The correct increasing order of basic strength of the labelled N ?
1311682_a66d3671ad454fdf8e68b84e444a7417.PNG
  • II
  • IV
  • I
  • III
The order of basicity of amines in gaseous state is :-
  • $$3^{o} > 2^{o} > NH_{3} > 1^{o}$$
  • $$1^{o} > 2^{o} > 3^{o} > NH_{3}$$
  • $$NH_{3} > 1^{o} > 2^{o} > 3^{o}$$
  • $$3^{o} > 2^{o} > 1^{o} > NH_{3}$$
The correct increasing order of basic strength of the labeled N is?
1315965_dd8c03d0cbd749ddb302ec1349e57ba1.PNG
  • 1 < 2 < 3 <4
  • 4 < 3 < 2 < 1
  • 1 < 3 < 4 < 2
  • 1 < 2 < 4 < 3
Amoung the following compounds, the increasing order of their basic strength is :
1317330_ab61279d0e2e4449b4777236f1da89b6.png
  • $$(I) > (II) < (IV) < (III)$$
  • $$(I) > (II) < (III) < (IV)$$
  • $$(II) > (I) < (IV) < (III)$$
  • $$(II) > (I) < (III) < (IV)$$
If $$'C'$$ contain Na then $$'B'$$ is 
1317770_6e89570e82d34e6ca93520aea314cafd.png
  • Diazonium tetrafluoroborate
  • Oil of mirbane
  • Aniline
  • Diazonium chloride.
In the following compound the order of basicity is ?
1314179_c379a71f91344a72b3155e4459aea165.PNG
  • $$IV>I>III>II$$
  • $$III>I>IV>II$$
  • $$II>I>III>IV$$
  • $$I>III>II>IV$$
Which of  the following compounds gives secondary amine on reduction. 
  • Alkyt Nitrite
  • Carbylamine
  • Alkyl Cyanide
  • Secondary nitro compound
The reaction gives  as final product
1322430_8aba77e66844487297ab87c5d16a8c10.jpg
  • a primary amine
  • a secondary amine
  • a tertiary amine
  • a quaternary ammonium salt
Which of the following order of basic character are correct ?
  • $$ p-CH_3O.C_6H_4NH_2 > o-CH_3O.C_6H_4NH_2 > m-CH_3O.C_6H_4NH_2 $$
  • $$ p-CH_3O.C_6H_4NH_2 > m-CH_3O.C_6H_4NH_2 > o-CH_3O.C_6H_4NH_2 $$
  • $$ o-CH_3O.C_6H_4NH_2 > p-CH_3O.C_6H_4NH_2 > m-CH_3O.C_6H_4NH_2 $$
  • $$ o-CH_3O.C_6H_4NH_2 > m-CH_3O.C_6H_4NH_2 > p-CH_3O.C_6H_4NH_2 $$
Strength of acid increases with the attachment of group showing $$-I$$ effect and decrease with the attachment of group showing $$+I$$ effect. Which of the following is the correct sequence of basic strength in an aqueous solution?
  • $$CH_{3}NH_{2}<\left(CH_{3}\right)_{2}NH<\left(CH_{3}\right)_{3}N$$
  • $$\left( { CH }_{ 3 } \right) _{ 2 }NH<{ CH }_{ 3 }{ NH }_{ 2 }<\left( CH_{ 3 } \right) _{ 3 }N$$
  • $$(CH_{3})_{3}N<\ (CH_{3})_{2}NH<\ CH_{3}NH_{2}$$
  • $$(CH_{3})_{3}N<\ CH_{3}NH_{2}<\ (CH_{3})_{2}NH$$
What is the increasing order of basic strength of the following compounds in aqueous solutions?
1319274_e641e297660f41b7b32f5cb86cedaf71.png
  • $$III < I < II < IV$$
  • $$I < II < IV < III$$
  • $$I < II < III < IV$$
  • $$III < I < IV < II$$
Among the labelled nitrogen atoms, which one is least basic? 
1336177_8ef2092d6e5e427a8977efe7d3260556.PNG
  • a
  • b
  • c
  • d
The increasing order of diazotization of the above compounds is:

1337407_86d48959ed41428ab041cdd26d082e90.PNG
  • $$(D) < (C) < (B) < (A)$$
  • $$(A) < (D) < (B) < (C)$$
  • $$(A) < (B) < (D) < (C)$$
  • $$(C) < (D) < (B) < (A)$$
Which nitrogen is most basic?
1337879_eb49a3bee3694bd2873a61313392deef.png
  • $$1$$
  • $$2$$
  • $$3$$
  • $$All\ are\ equally\  basic$$
In compound (X), the correct order of basic strength nitrogen atoms is:
1338343_97f27b59a99942e69af3cf6989a2ec38.jpg
  • $$a>c>d$$
  • $$a>b>c$$
  • $$c>b>a$$
  • $$b>c>a$$
The increasing basicity under of the following compounds is :

$$(A)$$   $$CH_3CH_2NH_2$$

$$(B)$$   $$CH_3CH_2\overset{\,\,\,\,\,\,\,\,\,\,\,CH_2CH_3} {\overset{|\,\,\,\,\,}{NH}}$$

$$(C)$$    $$H_3C-\overset {\,\,\,\,\,\,CH_3}{\overset{|}{N}}-CH_3$$

$$(D)$$     $$ Ph-\overset {\,\,\,\,\,\,CH_3}{\overset{|}{N}}-H$$
  • $$D < C < A < B$$
  • $$A < B < D < C$$
  • $$A < B < C < D$$
  • $$D < C < B < A$$
In the following compound, the favourable site/s for protonation is/are:
1333212_97e5eb7374384d6cb10c8c63c386e87f.png
  • (b), (c) and (d)
  • (a)
  • (a) and (e)
  • (a) and (d)

The correct increasing order of basic strength of the labelled N:
1337419_a907fb9781b64864900ead155e3b8759.png
  • I < II < III< IV
  • II < I < III < IV
  • I < III< IV < II
  • I < II< IV< III

Arrange the following amines in the decreasing order of basicity:
1330892_af9d274818d946d38e1e4bb48a07e7d7.gif
  • $$II > II > III$$
  • $$III > II > I$$
  • $$I > III > II $$
  • $$III > I > II $$
Find the correct order of basicity
1329296_358618ced86c4c299bddec74e7492de0.png
  • $$a > b > c$$
  • $$b > c > a$$
  • $$b > a > c$$
  • None of these
 The major product of the following reaction is:
1330903_42c4f2fc7f6a46b191f47e71621b0eb2.png
Arrange the following amines in the decreasing  order of their basic strength: Aniline (I), Benzylamine (II), p-toluidine (III)
  • I > II > III
  • III > II > I
  • II > I > III
  • II > III > I
Which of the following order is not correct? 
The correct order of basic strength of the following amines is:
  • $$(C_{2}H_{5})_{2}NH>C_{2}H_{5}NH_{2}>NH_{3}>C_{6}H_{5}NH_{2}$$
  • $$C_{2}H_{5}NH_{2}>(C_{2}H_{5})NH>NH_{3}>C_{6}H_{5}NH_{2}$$
  • $$(C_{2}H_{5})_{2}NH>NH_{3}>C_{2}H_{5}NH_{2}>C_{6}H_{5}NH_{2}$$
  • $$(C_{2}H_{5})_{2}NH>C_{6}H_{5}NH_{2}>C_{2}H_{5}NH_{2}>NH_{3}$$
Among the following which is the strongest base:
The increasing order of diazotisation of the following compounds is:
1359127_3d9127b356f74ddfbf5f974024632779.png
  • (a) < (d) < (b) < (c)
  • (d) < (c) < (b) < (a)
  • (a) < (b) < (c) < (d)
  • (a) < (d) < (c) < (b)
Which of the following is weakest base ?
  • $$CH_3-CH=NH$$
The correct order of basicity for PYRROLE (A), PYRIDINE (B), PIPERIDINE(C) is: 
  • A > B > C
  • C > B > A
  • B > C > A
  • C > A > B
Treatment of cyclobutylmethyl  amine with nitrous acid does not give.
Which failed to form Osazone with excess of $$C_{6}H_{5}NHNH_{2}$$ in strongly alkaline medium?
  • D-glucose
  • D-Mannose
  • All of these
The test used to distinguish primary, secondary and tertiary amines is
  • Sandmayer's reaction
  • Carbylamine reaction
  • Mustard oil test
  • $$C_{6}H_{5}SO_{2}Cl$$
Which compound can show nitrogen flipping?
What is the order of basicity?
1370842_2bb1454412774f0db5342299c3fabfff.png
  • $$I > II$$
  • $$II > I$$
  • $$II = I$$
  • $$I \ge II$$
Among the following compound, the most basic compound is: 
In each of the following pair of compounds, which is more basic in aqueous solution?
Give an explanation for your choice:
  • $${CH}_{3}{NH}_{2}$$ or $${CF}_{3}{NH}_{2}$$
  • $${CH}_{3}{CH}_{2}{CH}_{2}{NH}_{2}$$ or $${CH}_{3}CN$$
  • $${C}_{6}{H}_{5}N{({CH}_{3})}_{2}$$ or 2,6-dimethyl-N-N-dimethylaniline
Select the correct order of decreasing basicity of the following compounds:-

1373851_948be3496fa24f5ca22416595ccc0333.PNG
  • II > I > III > IV
  • I >III > II > IV
  • III > I > II >IV
  • I > II > III >IV
Examine the following structures:
Which of the following statement is correct:
$$(A) CH_3-C-OH;$$
$$(B)CH_3-C-NH_2$$

1373264_2570d0f34a5b46958b5565151e7f1b98.png
  • $$A$$ is tertiary alcohol while $$B$$ is tertiary amine
  • $$A$$ is primary alcohol while $$B$$ is primary amine
  • $$A$$ is tertiary alcohol while $$B$$ is primary amine
  • $$A$$ is primary alcohol while $$B$$ is tertiary amine
Correct basic character order of following compounds is ? 
i) Acetanilide
ii) Acetamide
iii) Aniline 
iv) Benzylamine
v) Pyridine
  • i > ii > iii > iv > v
  • v > iii > ii > iv > i
  • iv > v > iii > ii > i
  • iv > v > iii > i > ii
An organic compound (X) was heated with chloroform and alcoholic KOH to form compound (Y). (Y) on reduction gave N-methylpropan-2-amine. Compound (X) is 
  • $$(CH_3)_2CHCH_2NH_2$$
  • $$CH_3CH_2CH_2NH_2$$
  • $$(CH_3)_2CHNH_2$$
  • $$CH_3CH_2NHCH_3$$
Correct order of boiling of the following amines
Primary amine (I),
Secondary amines (II) ,
and tertiary amine (III) 
  • (I) > (II) > (III)
  • (III) > (II) > (I)
  • (II) > (III) > (I)
  • (II) > (I)> (III)

Rank the following in increasing basic nature:
1382223_5c55c580ace6475e97e5cd2c7269b9c2.PNG
  • III>I>II>IV
  • I>III>II>IV
  • IV>II>III>I
  • I>III>IV>II
Among the following pair of compounds correct basic strength order is?
Compare basic strength of following:
1388638_44e1ed1dd6194fe6aed32d98b6923bf0.PNG
  • $$A> B> C$$
  • $$B> A> C$$
  • $$B> C> A$$
  • $$C> B> A$$
Correct order of basicity of marked N in following compound is
1388764_421942998a50461fb25bbf0a62c754f1.png
  • 1 > 2> 3
  • 2 > 1 > 3
  • 2 > 3 > 1
  • 3 > 2 > 1
Which of the following is not correct?
which one of the following will be most basic?
$$X \xrightarrow{{N{H_2}}}{C_4}{H_9}ON\xrightarrow[{KOH}]{{B{r_2}}}C{H_3}C{H_2}C{H_2}N{H_2}$$ Compound (x) is
Arrange the following molecules in the descending order of basicity :
$$\eqalign{
& {\text{I)}}{C_6}{H_5}N{H_2}\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;{\text{II}}){\text{m}} - {\text{N}}{{\text{O}}_{\text{2}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{\text{N}}{{\text{H}}_{\text{2}}} \cr
& {\text{III)p}} - {\text{N}}{{\text{O}}_{\text{2}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{\text{N}}{{\text{H}}_{\text{2}}}\;\;\;\;\;{\text{IV)}}\;{\text{o}} - {\text{N}}{{\text{O}}_{\text{2}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{\text{N}}{{\text{H}}_{\text{2}}} \cr} $$
  • IV > III > II > I
  • I > III > IV > II
  • I > II > III > IV
  • III > I > IV > II
The most basic amine is:
Weakest base among the following is:
0:0:1


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