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#1 2013-10-26 02:13:03

niharika_kumar
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ketone

hello friends wave

well i have started studying carbon and its compounds,but i could not clear my concept on ketone.dunno
pls help me out.

      n.wikipedia.org/wiki/Ketone


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#2 2013-10-26 17:53:51

Agnishom
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Re: ketone

Hi;

We are also reading the same NCERT chapter in school.
Ketone is just a functional group which contains a carbon atom holding an oxygen with 2 hands and two other carbons with two other seperate hands.

E.g,

                             
                                  H           H
                                   |           |
                              H - C - C - C - H
                                    |    ||    |
                                    H   O    H


That contains three carbons, so it is propanone. Had it been four, we would call it butanone.

The main common feature of all ketones is that they have this functional group inside them.

- C -
   ||
   O

***DO NOT CONFUSE KETONES WITH ALDEHIDES***

Now, comes aldehydes, which are similar but in the case of aldehydes, the two hands of the carbon hold one carbon and one hydrogen.

E.g,
    H     H    H
     |     |     |
H - C - C - C = O
      |    |   
      H   H
This is propanal.

Note that both of them have the formula C3H6O
But the structure matters too

Last edited by Agnishom (2013-10-26 18:02:50)


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
 

#3 2013-10-27 15:56:31

niharika_kumar
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Re: ketone

thnk u so much for making it so simple and easy to understand.
i was really confused between aldehyde and ketone that why they have same formula inspite of different functional groups and you cleared it all.
thnx again. smile


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#4 2013-10-27 16:42:50

Agnishom
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Re: ketone

You're welcome.

I'm proud to be an Indian too.


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
 

#5 2013-10-29 22:52:08

niharika_kumar
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Re: ketone

smile


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#6 2013-11-19 03:58:31

Agnishom
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Re: ketone

Now, I would love to have someone explaining me Ester


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
 

#7 2013-11-19 06:02:33

anonimnystefy
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Re: ketone

Aren't they just a combinations of an alchohol and a carboxilyc acid?


The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
 

#8 2013-11-19 07:16:12

bobbym
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Re: ketone

Yep, and they smell good too.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#9 2013-11-19 07:18:26

anonimnystefy
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Re: ketone

Yeah. As far as I remember, they give fruit its smell.


The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
 

#10 2013-11-19 07:22:41

bobbym
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Re: ketone

Long time ago they would use Oil of Wintergreen as furniture polish.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#11 2013-11-19 07:29:14

anonimnystefy
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Re: ketone

Note to Agnishom: To get esters, just take H from the OH group of the carboxilyc acid and the whole OH group from the alchohol and join the remainders together. You will also get water as a product.


The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
 

#12 2013-11-19 14:20:09

Agnishom
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Re: ketone

anonimnystefy wrote:

Aren't they just a combinations of an alchohol and a carboxilyc acid?

Yes, can you draw the functional group of the esters?


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
 

#13 2013-11-19 19:47:24

anonimnystefy
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Re: ketone

Here it is:
     O
      ||
R1-C-O-R2

R1 and R2 can be different, but it is not necessary.


The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
 

#14 2013-11-19 23:43:10

Agnishom
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Re: ketone

Thanks smile


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
 

#15 2013-11-20 09:57:03

anonimnystefy
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Re: ketone

No problem. smile


The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
 

#16 2013-11-21 16:17:36

niharika_kumar
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Re: ketone

thanks ,I wanted that too.


friendship is tan 90°.
 

#17 2014-01-24 16:18:06

niharika_kumar
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Re: ketone

what's the formula for ether


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#18 2014-01-24 16:42:15

Agnishom
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Re: ketone

Isnt it C2H2?


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
 

#19 2014-01-24 16:44:49

Agnishom
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Re: ketone

Sorry, Are you talking about this http://en.wikipedia.org/wiki/Ether ?


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
 

#20 2014-01-26 00:52:31

niharika_kumar
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Re: ketone

yes i was talking about ether and now i got the answer.
thanks.


friendship is tan 90°.
 

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