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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 - Chemistry

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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

Classify the following amine as primary, secondary or tertiary:

(C2H5)2NH


Choose the most correct option.

The hybridisation of nitrogen in primary amine is ____________.


Isobutylamine is an example of ______.


Choose the most correct option.

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


What are amines?


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


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 ____________.


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 ____________.


How will you convert nitrobenzene into m-nitro aniline?


Write a short note on the following.

Ammonolysis


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.

Mustard oil 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 decreasing order of basic strength in gas phase (C2H5)NH2, (C2H5)NH, (C2H5)3N and NH3.


Arrange the following.

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


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


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


Identify A, B and C.

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


How will you convert diethylamine into N, N-diethyl acetamide?


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


The following amine can be classified as:


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


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


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

and 

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

are which type of isomers?


Classify the following amine as primary, secondary or tertiary:


Classify the following amine as primary, secondary or tertiary:

(C2H5)2CHNH2


Arrange the increasing order of solubility in water.

\[\ce{C2H5Cl, C2H5NH2, C2H5OH}\]


Write short note on the following:

Ammonolysis


Write short notes 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


Write short note on the following.

Ammonolysis


Write short note on Ammonolysis.


Write short note on the following:

Ammonolysis


Write a short note on the following.

Ammonolysis


Write a short note on the following.

Ammonolysis


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