Dichromate titrations - oxidation reduction titrations, Chemistry

Assignment Help:

Dichromate titrations - oxidation reduction titrations

These are titrations where, potassium dichromate is utilized as an oxidising agent in acidic medium. The medium is organized acidic by the make use of dilute sulphuric acid. The potential reaction is

K2Cr2O7 + 4h2SO4 → K2SO4 + Cr2 (SO4)3 + 4 H20 + 3[O]

OR Cr2 O2-7 + 14 H+ + 6e- → 2 CR3+ + 7 H2O

The solution of potassium dichromate can be directly employed for titrations. It is generally used for the estimation of ferrous salts and iodides. In the titration of K2Cr2O7 versus ferrous salt either an external indicator that is potassium ferricyanide or an internal indicator that is diphenyl amine can be used.


Related Discussions:- Dichromate titrations - oxidation reduction titrations

Lanthanides and actinides, can you describe how the valance shell electron ...

can you describe how the valance shell electron configuration affectst the reactivity of the elements in the lanthanides and actinides series?

Determine the uniqueness of carbon, Q. Determine the Uniqueness of Carbon? ...

Q. Determine the Uniqueness of Carbon? Ans. Carbon forms a very large number of compounds--over 4,000,000. This is far more than the number of compounds of all other eleme

What is conclusion in the experiment, Q. What is conclusion in the experime...

Q. What is conclusion in the experiment? A conclusion is a judgment based on the data acquired in the experiment. If data support a hypothesis then the hypothesis is tentativ

Determine stronger acidity of buffer, In order to additional explore the bi...

In order to additional explore the biochemistry of MSG action; we'd require having an aqueous buffer wherein to work. For this question, assume that you require making an 80 mM buf

Dalons Law Practice Problems? , Hello,">http://misterguch.brinkster.net/WKS...

Hello,">http://misterguch.brinkster.net/WKS001_033_418188.pdf Hello, I''m Ronnie. I don''t know how to do problem number 1. Could you help me with just this one?

Applications of hybridisation - size of the hybrid orbitals, Applications o...

Applications of hybridisation - Size of the hybrid orbitals As s- orbitals are closer to the nucleus than p- orbitals, it is reasonable to suppose that greater the s character

Covalent bond and ionic bond, why water molecule forms covalent bond even t...

why water molecule forms covalent bond even though it dissociates into ions

Organic chemistry, What are the theoretical physical properties of esters?

What are the theoretical physical properties of esters?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd