Standardization of copper sulphate solution, Biology

Assignment Help:

It involves the standardization of copper sulphate solution. This is same as done in the previous activity.

1)  Pipette accurately 5 ml of Solution A and Solution B in conical flask of 250 ml capacity.

2)  Heat this mixture to boiling on an asbestos gauge and add standard invert sugar solution from the burette about 1 ml less than the expected volume which will reduce the Fehling solution of say, 48 ml.

3)  Add 1 ml methylene blue indicator.

4)  Carry out the titration and complete it within 3 minutes.

5)  The change in blue  to reddish brown colour due to  cuprous oxide formation is taken as the end point.

6)  From the volume of the invert sugar solution used, the strength of CuSO4 is calculated by multiplying  the titrated value with 0.001 (mg / ml of the standard invert sugar solution). This is known as Fehling factor.


Related Discussions:- Standardization of copper sulphate solution

Anaphase, Anaphase This  phase is of shortest duration. It  begins  wit...

Anaphase This  phase is of shortest duration. It  begins  with  a sudden  separation  of the two chromatids of each   due  to splitting   of its centromere and  then a slow mov

Explain phylum phytofagellata, Phylum Phytofagellata (Plant flagellates...

Phylum Phytofagellata (Plant flagellates) 1) At some stage of life cycle they have one or more flagella. The flagella are used for locomotion. 2) Photosynthetic protistan

Important aspects of nutritional needs during emergency, Define important a...

Define important aspects of nutritional needs during emergency situations? This unit discussed important aspects of nutritional needs during emergency situations and under envi

Implementation of nursing care, Implementation of Nursing Care   Admin...

Implementation of Nursing Care   Administration of Appropriate Drugs  If  the surgery is not necessary or if  it is postponed for some time then diuretics and digoxin are

Buffers in foods, Some foods are better able to resist changes in pH than...

Some foods are better able to resist changes in pH than others. These tend to resist changes in pH since these are buffered and the ability to resist changes in pH is known as bu

Why is rubella during gestation a threat to the fetus, Q. Why is rubella du...

Q. Why is rubella during gestation a threat to the fetus? If taking place during gestation rubella is a dangerous disease because the virus crosses the contaminates fetus and t

What is myocardial infarction, Q. What is myocardial infarction? The My...

Q. What is myocardial infarction? The Myocardial infarction is the condition in which an area of this tissue or the entire heart muscle dies by hypoxia due to lack of blood irr

What do you mean by syconoid sponge., What do you mean by Syconoid sponge. ...

What do you mean by Syconoid sponge. Of different sponge architectures, this is intermediate in its complexity. Spongocoel is no longer lined with choanocytes, now located in r

When should eat a salad with lettuce, When you eat a salad with lettuce, cr...

When you eat a salad with lettuce, croutons, hard-boiled egg, bacon bits, and salad dressing, which one of those ingredients will be broken down the least by your digestive system?

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