General Chemistry - wat do u think

1

skygirl ·2009-02-27 05:10:57

haan i am talking abt 1st dissociation only ...

UP 0 DOWN 0
Post on FacebookPost anonymously?

11

Mani Pal Singh ·2009-02-26 00:58:42

richa ur ans was wrong

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

vector ·2009-02-26 01:02:03

do u know d rt ans

UP 0 DOWN 0
Post on FacebookPost anonymously?

11

Mani Pal Singh ·2009-02-26 01:04:06

its A
i dont know HOW??????????

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-02-26 01:32:04

The answer is correct..

the first dissociation constants are in that order.. but I am not absolutely sure why it happens..

I think it has to do with the resonance structures..

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

vector ·2009-02-26 01:42:48

thoda ajeeb explaination
i think as acidity is directly proportional to stability of conjugate base
n as h3po2 conjugate do not have any chance to lose further h+ like phosphoric acid
thus cnjugate s stability is more so acidity is more

n d other acids r having more h+ to lose so anion stability less as reactivity more and thus less acidic
i dont know it s corrct or not.

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

vector ·2009-02-27 04:59:24

hey sky h3po2 has only 2 o

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-27 05:01:17

sry..

saw sumthing!

thot sumthing!

wrote sumthing!

pardon!

deleting it :P

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-27 05:03:35

aur haan...

thot much!!

and then concluded:

ans is wrong !

it has to be H3PO4.. strongest one..

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-02-27 05:04:46

sky it is talking about 1st dissociation only...

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

vector ·2009-02-27 05:06:16

even ma 1st ans was h3po4l but manipal said tht s wrong so i gave that ajeeb explaination after seeing ans

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-27 05:10:18

acidity increases as oxd state inceases ...

UP 0 DOWN 0
Post on FacebookPost anonymously?

11

Mani Pal Singh ·2009-02-26 00:46:29

BUT WHAT ABOUT Q1

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-27 05:12:54

it is the H from -OH group dat leaves ...

in h3po4 there are three possibilities ..

in h3po3 n h3po2 ... there are 2 and 1..

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-27 05:13:28

ok gtg ... wl catch up later..

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-27 06:25:53

arey! no comments ??

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-27 06:29:26

hmmmmmmmmmmmmmmmmmmmmm/..........

i think i am utterly wrong!!

but i still dun know y???

mujhe toh yeh pata thaa... dat H comes from O-H ...

now ... its different...

chcek out this link:

very important i think ...

http://www.goiit.com/posts/list/inorganic-chemistry-why-h3po2-is-more-acidic-than-h3po3-and-24498.htm

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

mkagenius ·2009-02-28 05:12:16

@NIS BHAIYA ......THE REFLECTION IS ALSO BENZENE..DONT U THINK SO....SO MUST B SUPRIMPOSABLE.....(ABT LAST PINK POST BY YOU IN THIS SECTION)

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-02-28 05:17:31

yes mkagenius..

that is exactly what I have written there! :O

That does not superimpose on the original one.. it is not symmetric!

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

mkagenius ·2009-02-28 05:29:18

"That does not superimpose on the original one.. it is not symmetric" THESE R UR WORDS BUT I THINK IT WILL SUPERIMPOSE SINCE IT IS ALSO OUR PYARA-2 BENZENE NA...

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-02-28 05:36:15

hmm.. i understand what you mean ...
i meant that they are not mirror images of each...

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

mkagenius ·2009-02-28 05:39:16

which is not mirror image?????????????

i think they r superimposable mirrror image.....

please clear...

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-02-28 07:34:15

yes manipal you are right..

dont worry about that question.. it is not in syllabus :)

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

skygirl ·2009-02-28 07:47:10

yahan pe integration kyun ?? :O

well... chhor doh usko... syll me nahi hai :(

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-02-26 00:35:52

no richa.. think again..

i will draw the planes :)

UP 0 DOWN 0
Post on FacebookPost anonymously?

11

Mani Pal Singh ·2009-02-26 00:21:01

Q1 The strongest acid out of the list given below is(choose on the basis of first dissociation constant)

a) H3PO2
b) H3PO3
c) H3PO4
d) experimentally it has been found that first dissociation constants are equal of all three

UP 0 DOWN 0
Post on FacebookPost anonymously?

11

Mani Pal Singh ·2009-02-26 00:21:36

sorry abhi its not the ans

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

vector ·2009-02-26 00:22:56

1s d ans c-H3PO4

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

vector ·2009-02-26 00:26:54

@MANIPAL kya hamme har plane or axis jo symmtric hai use alag count karna hai

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-02-26 00:29:43

it will be much more..

see there will be a plane of symmetry through each opposite carbon atoms

so there will be 3 of those..

then 3 planes when you bisect between carbon atoms..

and one axis of symmetry at the center!

UP 0 DOWN 0
Post on FacebookPost anonymously?

wat do u think

47 Answers

Your Answer

Similar Questions

wat do u think

47 Answers

Your Answer

Add Image

Similar Questions