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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Choose the most correct option. Identify ‘B’ in the following reactions CHX3−C ≡ N→Na/CX2HX5OHA→NaNOX2/dilHClB

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प्रश्न

Choose the most correct option.

Identify ‘B’ in the following reactions

\[\ce{CH3 - C ≡ N ->[Na/C2H5OH] A ->[NaNO2/dilHCl]B}\]

पर्याय

  • CH3 - CH2 - NH2

  • CH3 - CH2 - NO2

  • CH3 - CH2N2+Cl-

  • CH3 - CH2 - OH

MCQ
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उत्तर

CH3 - CH2 - OH

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पाठ 13: Amines - Exercises [पृष्ठ २९६]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 13 Amines
Exercises | Q 1.09 | पृष्ठ २९६

संबंधित प्रश्‍न

In the following 

The compound ‘B’ is _______.
(A) Propan–1–amine

(B) Propan–2–amine

(C) Isopropylamine

(D) Dimethylamine


Give reasons for the following:

CH3NH2 is more basis than C6H5NH2.


Choose the most correct option.

The hybridisation of nitrogen in primary amine is ____________.


Isobutylamine is an example of ______.


Choose the most correct option.

Carbylamine test is given by ____________.


How are amines classified?


Write the number of moles of ethanoyl chloride required for complete acylation of N, N-dimethylaniline.


What is the action of nitrous acid on the following compounds?

Isopropyl amine


A tertiary amine is an organic compound ____________.


The product formed by the reaction an aldehyde with a primary amine ____________.


When aniline reacts with acetic anhydride the product formed is ____________.


The order of basic strength for methyl substituted amines in aqueous solution is ____________.


\[\ce{C6H5NO2 ->[Fe/HCl] A ->[NaNO2/HCl][273 K] B ->[H2O][283 K] C}\] ‘C’ is:


Which one of the following is most basic?


How will you convert nitrobenzene into m-nitro aniline?


Write a short note on the following:

Gabriel phthalimide synthesis


Write a short note on the following.

Schotten-Baumann reaction


Write a short note on the following.

Carbylamine reaction


How will you distinguish between primary secondary and tertiary aliphatic amines?


Account for the following.

pKb of aniline is more than that of methylamine.


Account for the following.

Gabriel phthalimide synthesis is preferred for synthesising primary amines.


Account for the following.

Although amino group is o- and p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline.


Arrange the following:

In increasing order of solubility in water:

C6H5NH2, (C2H5)2NH, C2H5NH2


Arrange the following.

In increasing order of boiling point C6H5OH, (CH3)2NH, C2H5NH2.


Arrange the following.

In decreasing order of basic strength


How will you prepare propan-1-amine from propanamide?


How will you prepare propan-1-amine from 1-nitropropane?


Identify A, B and C.

\[\ce{CH3 - NO2 ->[LiAlH4] A ->[2CH3CH2Br] B ->[H2SO4] C}\]


How will you convert diethylamine into N-nitrosodiethylamine?


(C2H5)2CHNH2. The following amine can be classified as:


The following amine can be classified as:


Arrange the following in the increasing order of their basic strength:

C2H5NH2, C6H5NH2, (C2H5)2NH


\[\begin{array}{cc}
\ce{O}\phantom{.........}\\
||\phantom{.........}\\
\ce{H - \underset{(A)}{C} - NH - CH3}
\end{array}\]

and 

\[\begin{array}{cc}
\ce{O}\\
||\\
\ce{CH3 - \underset{(B)}{C} - NH2}
\end{array}\]

are which type of isomers?


Which among the following is the strongest Bronsted base?


Among the following, which is the strongest base?


Write short note on the following:

Ammonolysis


Name the distinguishing test for differentiating 1° amine from 2° and 3° amine.


Write short note on the following.

Ammonolysis


Write a short note on the following.

Ammonolysis


Account for the following:

Aniline does not undergo Friedel-Crafts reaction.


Write short note on Ammonolysis.


Write short note on the following:

Ammonolysis


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