मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The Compound ‘B’ is

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प्रश्न

In the following 

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

(B) Propan–2–amine

(C) Isopropylamine

(D) Dimethylamine

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उत्तर

(A) Propan–1–amine

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2016-2017 (July)

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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 ____________.


Choose the most correct option.

Identify ‘B’ in the following reactions

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


What are amines?


How are amines classified?


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 ____________.


Which of the following amines is most basic in nature in aqueous phase?


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


When aniline reacts with acetic anhydride the product formed 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.

Carbylamine reaction


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 basic strength in gas phase (C2H5)NH2, (C2H5)NH, (C2H5)3N and NH3.


Arrange the following.

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


Arrange the following.

In decreasing order of basic strength


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


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


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


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?


Classify the following amine as primary, secondary or tertiary:


Classify the following amine as primary, secondary or tertiary:

(C2H5)2CHNH2


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: 


Write short notes 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 a short note on the following

Ammonolysis


Write a short note on the following.

Ammonolysis


Write short note on the following.

Ammonolysis


Write short note on the following:

Ammonolysis


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