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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.

Which type of amine does produce N2 when treated with HNO2?


Choose the most correct option.

Carbylamine test is given by ____________.


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

Isopropyl amine


How are amines classified depending on the functional group? Give one example of each class of amines.


A tertiary amine is an organic compound ____________.


Assertion: Acetamide on reaction with KOH and bromine gives acetic acid.

Reason: Bromine catalyses hydrolysis of acetamide.


\[\ce{Aniline + benzoylchloride ->[NaOH] C6H5 - NH - COC6H5}\] this reaction is known as ____________.


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


IUPAC name for the amine is:

\[\begin{array}{cc}
\phantom{.}\ce{CH3}\\
|\phantom{..}\\
\ce{CH3 - N - C - CH2 - CH3}\\
\phantom{.}|\phantom{.....}|\phantom{........}\\
\phantom{}\ce{CH3}\phantom{..}\ce{C2H5}\phantom{....}
\end{array}\]


How will you convert nitrobenzene into m-nitro aniline?


Write a short note on the following.

Ammonolysis


Write a short note on the following.

Schotten-Baumann reaction


Write a short note on the following.

Mustard oil reaction


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 decreasing order of the pKb values C2H5NH2, C6H5NHCH3, (C2H)2NH and CH3NH2.


How will you prepare propan-1-amine from butane nitrile?


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, N-diethyl acetamide?


How will you convert diethylamine into N-nitrosodiethylamine?


The main product is formed by treating an alkyl or benzyl halide with excess ammonia ____________.


Complete the following reaction.


The reaction of NHO2 with 'A' gives quartering ammonium salt. A is which of the following?


Classify the following amine as primary, secondary or tertiary:


Classify the following amine as primary, secondary or tertiary:


Which among the following is the strongest Bronsted base?


Assertion A: Aniline on nitration yields ortho, meta and para nitro derivatives of aniline.

Reason R: Nitrating mixture is a storng acidic mixture.
In the light of the above statements, choose the correct answer from the options given below: 


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


Define Amines.


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 a short note on the following.

Ammonolysis


Write a short note on the following.

Ammonolysis


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