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

Adaptation, Adaptation is the tendency of an organism to suit its environm...

Adaptation is the tendency of an organism to suit its environment; one of the main points of Charles Darwin's theory of evolution by the natural selection: organisms adapt to thei

Symmetry - metazoa, Symmetry - Metazoa All living organisms have some ...

Symmetry - Metazoa All living organisms have some body shape and form. The general body plan of animals may be organized in one of several ways . Arrangement of parts or organ

How many biochemicals would be detected, How many biochemicals would be det...

How many biochemicals would be detected in the stomach contents of an omnivorous dinosaur?

Special situations of pulmonary embolism, Q. Special situations of Pulmonar...

Q. Special situations of Pulmonary Embolism? The CXR is often abnormal in pulmonary embolism. Atelectasis and other focal pulmonary parenchymal abnormalities are the most commo

Seliwanoff test or resorcinol hydrochloric acid reaction, Define seliwano...

Define seliwanoff's Test or Resorcinol Hydrochloric Acid Reaction? seliwanoff's test is specific test for ketonic groups and therefore is positive for ketose sugars like fruc

What do you mean by wound closure, Q. What do you mean by Wound closure? ...

Q. What do you mean by Wound closure? Generally the incisions designed for minimal exposure such as the H - shaped incision, do not require suturing, as the abutment and the tr

How do populations of predators vary in predatism, How do populations of pr...

How do populations of predators and prey vary in predatism? Whenever a predator population enhances at the first moment the prey population tends to decrease. At a second momen

Explain spoilage of sweetened condensed milk, Q. Explain Spoilage of Sweete...

Q. Explain Spoilage of Sweetened condensed milk? The sweetened condensed milk contains about 8% milk fat, 23% total milk solids and sweetened with the addition of a sweetener,

Why it have been so difficult for radially symmetrical, Unlike bilaterally ...

Unlike bilaterally symmetrical animals, radially symmetrical animals are almost never able to move themselves from place to place. Why might it have been so difficult for radially

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