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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

उत्तर

CH3 - CH2 - OH

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पाठ 13: Amines - Exercises [पृष्ठ २९६]

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

संबंधित प्रश्‍न

Isobutylamine is an example of ______.


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


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


A tertiary amine is an organic compound ____________.


\[\ce{Aniline + benzoylchloride ->[NaOH] C6H5 - NH - COC6H5}\] 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 ____________.


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


Which of the following amines does not undergo acetylation?


IUPAC name for the amine is:

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


Write a short note on the following.

Ammonolysis


Write a short note on the following.

Schotten-Baumann 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.

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 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.


Arrange the following.

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


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


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


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


How will you convert diethylamine into N-nitrosodiethylamine?


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


The following amine can be classified as:


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

C2H5NH2, C6H5NH2, (C2H5)2NH


Complete the following reaction.


The amine formed from an amide by mean of bromine and alkali has how many number of carbon atoms?


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:


Classify the following amine as primary, secondary or tertiary:

(C2H5)2CHNH2


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?


Arrange the increasing order of solubility in water.

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


Write short note on the following:

Ammonolysis


Write a short note on the following.

Ammonolysis


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


Define Amines.


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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