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Properties Of Amines Free Doubts and Solutions
CBSE - XII Science - Chemistry - Amines
sir/ madam, is it true that if no of bonds in an atom increases then the atom acquires a positive charge on it and when it loses one bond it acquires a negative charge on it ? why does it happen so?
Asked by kaziryan.05
6th July 2021,
11:31 PM
CBSE - XII Science - Chemistry - Amines
Convert benzene to benzamide
Asked by fishtailfever
25th July 2020,
10:07 PM
CBSE - XII Science - Chemistry - Amines
pls explain
Asked by mufeedatvp2000
15th April 2020,
1:35 PM
CBSE - XII Science - Chemistry - Amines
Conversion of amines
Asked by Sudamkalgunde624
31st December 2019,
11:38 AM
CBSE - XII Science - Chemistry - Amines
What is the product of this amide acylation?
Asked by prakriti12oct
19th November 2019,
12:39 PM
CBSE - XII Science - Chemistry - Amines
Please answer this question.
Asked by dineshchem108
19th June 2019,
9:19 PM
CBSE - XII Science - Chemistry - Amines
Why toluene is more reactive than nitro benzene?
Asked by afiaorpi01
22nd March 2019,
1:19 AM
CBSE - XII Science - Chemistry - Amines
Question 6. Option 2nd and 3rd
Asked by abhitailor158
7th March 2019,
4:44 PM
CBSE - XII Science - Chemistry - Amines
Z is :- (1) CH3—CH2—OH (2) CH3—NH2 (3) CH3—OH (4) CH3—CH2—NH2
Asked by Atulcaald
16th May 2018,
2:44 PM
CBSE - XII Science - Chemistry - Amines
Kindly explain your answer.
20) (i)
Asked by Varsneya Srinivas
24th December 2017,
10:01 AM
CBSE - XII Science - Chemistry - Amines
question test of amines
Asked by akshay.beloshe
12th October 2017,
7:44 PM
CBSE - XII Science - Chemistry - Amines
An organic compound A on treatmentr with acetic acid in presence of conc H2SO4 produce sester B .A on mild oxidation gives C. C reacts with 50% KOH followed by acidification generates A and D .D with PCl5 followed by reation with NH3 gives E . E on dehydration produces HCN .I dentify the compound A to E AND WRITE THE CHEMICAL REACTION.
Asked by vasturushi
23rd July 2017,
11:07 AM
CBSE - XII Science - Chemistry - Amines
why it is not possible to do direct bromination in conversion of p toluidine to 2-bromo 4-methylaniline?
Asked by vasturushi
6th July 2017,
9:20 PM
CBSE - XII Science - Chemistry - Amines
What happens when we treat Aniline with HCl?
Asked by Topperlearning User
6th June 2016,
11:46 AM
CBSE - XII Science - Chemistry - Amines
What happens when Ethyl amine is treated with Chloroform and Alcoholic potash?
Asked by Topperlearning User
6th June 2016,
11:46 AM
CBSE - XII Science - Chemistry - Amines
What happens when amines are treated with water?
Asked by Topperlearning User
6th June 2016,
11:46 AM
CBSE - XII Science - Chemistry - Amines
What product is formed when Aniline is first diazotized and then reacted with Phenol in the alkaline medium?
Asked by Topperlearning User
6th June 2016,
11:40 AM
CBSE - XII Science - Chemistry - Amines
Give a chemical test to distinguish between aniline and N-methyl aniline.
Asked by Topperlearning User
6th June 2016,
11:40 AM
CBSE - XII Science - Chemistry - Amines
Why do nitro compounds have high boiling points in comparison with other compounds of same molecular mass?
Asked by Topperlearning User
6th June 2016,
11:40 AM
CBSE - XII Science - Chemistry - Amines
Order of basic strength :-
(1)
III < II < I
(2)
II < I < III
(3)
II < III < I
(4)
I < III < II
| Order of basic strength :- |
| (1) | III < II < I |
| (2) | II < I < III |
| (3) | II < III < I |
| (4) | I < III < II |
Asked by devanshmalhotra2609
20th March 2016,
3:07 PM
CBSE - XII Science - Chemistry - Amines
What is +i electron inductive effect? How/why does it affect basicity of amines?
Asked by Kavyankit
24th February 2016,
7:05 PM
CBSE - XII Science - Chemistry - Amines
Q.1 What is the rection mechanism of deprotection of aniline during monosubstitution of bromine by electrophilic substitution at para position of the aniline molecule?
Asked by BIPLAV BIJOY GOSWAMI
11th February 2015,
9:02 PM
CBSE - XII Science - Chemistry - Amines
MENTION TWO USES OF SULPHANILIC ACID AND HOW WOULD CONVERT ANILINE IN TO FLUOROBENZENE
Asked by Sandeep Yadav
7th February 2015,
6:27 PM
CBSE - XII Science - Chemistry - Amines
WHY ARE AMINE LESS ACIDIC THAN ALCOHOLOF COMPRABLE MOLECULAR MASSES
Asked by Sandeep Yadav
7th February 2015,
6:17 PM
CBSE - XII Science - Chemistry - Amines
Account for the following: (i) Electrophilic substitution in case of aromatic amines takes place more readily than benzene. (ii) CH3CONH2 is a weaker base than CH3CH2NH2. (iii) Nitrocompounds have higher boiling points than hydrocarbons having almost same molecular mass.
Asked by Topperlearning User
7th July 2014,
2:03 PM
CBSE - XII Science - Chemistry - Amines
Arrange the following compounds in an increasing order of their solubility in water: C6H5NH2, (C2H5)2NH, C2H5NH2
Asked by Topperlearning User
7th July 2014,
1:34 PM
CBSE - XII Science - Chemistry - Amines
Give the structures of products A, B and C in the following reactions:
Asked by Topperlearning User
7th July 2014,
12:05 PM
CBSE - XII Science - Chemistry - Amines
In the following cases rearrange the compounds as directed : (i) In an increasing order of basic strength: C6H5NH2, C6H5 N(CH3)2, (C2H5)2NH and CH3 NH2 (II) In a decreasing order of basic strength: Aniline, p-nitroaniline and p-toluidine (iii) In an increasing order of pKb values: C2H5NH2, C6H5 NHCH3, (C2H5)2NH and C6H5NH2
Asked by Topperlearning User
7th July 2014,
11:25 AM
CBSE - XII Science - Chemistry - Amines
Convert Aniline to Phenol.
Asked by Topperlearning User
7th July 2014,
10:36 AM
CBSE - XII Science - Chemistry - Amines
What happens when Aniline reacts with Sodium nitrite and Hydrochloric acid?
Asked by Topperlearning User
7th July 2014,
10:24 AM
CBSE - XII Science - Chemistry - Amines
Write a short note on Schotten-Baumann Reaction?
Asked by Topperlearning User
7th July 2014,
10:10 AM
CBSE - XII Science - Chemistry - Amines
Explain the order of basicity for primary, secondary and tertiary amines.
Asked by Topperlearning User
7th July 2014,
10:07 AM
CBSE - XII Science - Chemistry - Amines
Which amine salts are used for determining molecular masses of amines?
Asked by Topperlearning User
7th July 2014,
9:08 AM
CBSE - XII Science - Chemistry - Amines
Complete the following reaction equations: i. ii. iii.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Amines
Arrange the following compounds in an increasing order of basic strengths in their aqueous solutions: NH3, CH3NH2, (CH3)2NH, (CH3)3N
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Amines
Define the following and give one example of each: (a) Tranquillisers (b) Mordant (c) Hybrid rocket propellants
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Amines
In the following cases, rearrange the compounds as directed: (i) In an increasing order of basic strength: C6H5NH2, C6H5N(CH3)2, (C2H5)2NH and CH3 NH2 (ii) In decreasing order of basic strength: Aniline, p-nitroaniline and p-toluidine (iii) In an increasing order of pkb values: C2H5NH2, C6H5 NHCH3, (C2H5)2NH and C6H5NH2
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Amines
Account for the following observations: (i) pkb for aniline is more than that for methylamine. (ii) Methylamine solution in water reacts with ferric chloride solution to give a precipitate of ferric hydroxide. (iii) Aniline does not undergo Friedel-Crafts reaction.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Amines
Arrange the following in increasing order of their basic strength in aqueous solution:
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Amines
(a) Explain why an alkyl amine is more basic than ammonia. (b) How would you convert: (i) Aniline to nitrobenzene (ii) Aniline to iodobenzene?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Amines
Which test is used for secondary amines?
Asked by Topperlearning User
4th June 2014,
1:23 PM
