Physical Chemistry

hari's Avatar
Blazing goIITian

Joined: 3 Nov 2008
Post: 443
22 Jan 2009 20:54:35 IST
0 People liked this
6
1264 View Post
wat is the oxidation state of S in Na2S2O3
Engineering Entrance , Medical Entrance , AIPMT , JEE Main , AIIMS , JEE Advanced , Chemistry , Physical Chemistry

wat is the oxidation state of S in Na2S2O3



Comments (6)

abhinav's Avatar

Hot goIITian

Joined: 16 Nov 2008
Posts: 172
22 Jan 2009 20:56:21 IST
0 people liked this

+2
shravanthi's Avatar

New kid on the Block

Joined: 20 Oct 2008
Posts: 25
22 Jan 2009 21:09:27 IST
0 people liked this

for one s it is +5 and another it is -1
hari's Avatar

Blazing goIITian

Joined: 3 Nov 2008
Posts: 443
22 Jan 2009 21:11:52 IST
0 people liked this

can you please explain how it shows +5 and -1
sandesh raut's Avatar

Hot goIITian

Joined: 20 Sep 2007
Posts: 162
22 Jan 2009 21:15:01 IST
0 people liked this

it'll definitely +2....

howz dat +5 & -1 is possible?

it will be- 2*1+2x+3*-2=0

               2x = 4

                x = 2.

got it...

rate if useful.

Madmax's Avatar

Blazing goIITian

Joined: 24 Dec 2007
Posts: 1111
22 Jan 2009 21:20:19 IST
1 people liked this

OK I'll explain it

From wiki, the image of the ions are

 

http://upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Sodium-thiosulfate-3D-vdW.png/200px-Sodium-thiosulfate-3D-vdW.png

 

Note tht

Purple=Sodium atoms

Yellow=Sulphuratoms

Red=Oxygen atoms

 

As U can see, one sulphur is attached to the Na ions and the other S atom, while the other is attached to the first sulphur atom and the three oxygen atoms

Now simply use the definition of oxidation state and the answer is +5 and -1

 

hope this helps

cheers!!

 

Sagar Saxena's Avatar

Blazing goIITian

Joined: 8 Oct 2008
Posts: 8064
23 May 2011 00:17:53 IST
0 people liked this

 hi

purple colur sphere is sodium ion ..red are oxygen and yellow are sulphur 

thus middle suphur has oxidation number +5

and other one has -1




Quick Reply


Reply

Some HTML allowed.
Keep your comments above the belt or risk having them deleted.
Signup for a avatar to have your pictures show up by your comment
If Members see a thread that violates the Posting Rules, bring it to the attention of the Moderator Team
Free Sign Up!
Sponsored Ads

Preparing for JEE?

Kickstart your preparation with new improved study material - Books & Online Test Series for JEE 2014/ 2015


@ INR 5,443/-

For Quick Info

Name

Mobile

E-mail

City

Class

Vertical Limit

Top Contributors
All Time This Month Last Week
1. Bipin Dubey
Altitude - 16545 m
Post - 7958
2. Himanshu
Altitude - 10925 m
Post - 3836
3. Hari Shankar
Altitude - 9965 m
Post - 2186
4. edison
Altitude - 10815 m
Post - 7797
5. Sagar Saxena
Altitude - 8625 m
Post - 8064
6. Yagyadutt Mishr..
Altitude - 6330 m
Post - 1979

Find Posts by Topics

Physics

Topics

Mathematics

Chemistry

Biology

Parents Corner

Board

Fun Zone