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Why you use o-toluidine for glucose estimation?
In the presence of heat and acetic acid, ortho-toluidine (also called o-toluidine) reacts rapidly with aldohexoses (mostly glucose) to form a green-colored complex that can be measured at 630 nm.
What are cfcs used for?
Its used in the compressors of refrigerators and air- conditioners
What is Crocoite used for?
Crocoite is mainly used as a mineral specimen. It used to be used as a minor ore of chromium, but it is now too rare to be used for that.It is on wikipedia too
What is the use of acetal?
dilute ethanoic acid is used as a preservative in the preparation of pickles.it is used for making cellulose acetate which is an important artificial fibre.it is used in the manufacture of acetone and esters used in perfumes.it is used in the preparation of dyes.it is used to coaggulate rubber from latex.it is used for making white lead which is used as a white paint.it is used as a chemical reagent in chemistry lab.
Where is evaporation used?
evaporating is used in preparation of petrol, etc.
Why o-toluidine method cannot be used for the detection of fructose in a solution?
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Compare the basicity of isomers of toluidine?
As expected from Inductive(/hypercojugative) as well as ortho effect the basicity order should be: ortho-toluidine>para-toluidine>meta-toluidine. But, experimental order is: para-toluidine(Pka=5.12)>meta-toluidine(Pka=4.69)>ortho-toluidine(Pka=4.39).The order of basicity is explained by two opposing effects :i) inductive effect ii) Stability of the conjugate base. Here 2nd factor is more significant for ortho-toluidine & 1st factor is important for para-toluidine. For ortho-toluidine the conjugate base [o-MeC6H4NH3+] is destabilized by steric interaction between -NH3+ & -Me(at ortho). This desatabilization is absent with para-toluidine & meta-toluidine.Tha's why basicity of: ortho-toluidine(Pka=4.39)
Why you use o-toluidine for glucose estimation?
In the presence of heat and acetic acid, ortho-toluidine (also called o-toluidine) reacts rapidly with aldohexoses (mostly glucose) to form a green-colored complex that can be measured at 630 nm.
What is the sensitivity and specificity of ortho toluidine test?
A
Biological stains used for plants?
There are several biological stains that can be used for plants. Some of the usual stains used on plants are toluidine blue, iodine, and Eosin Y.
Is p-toluidine a solid or a liquid at room temperature?
Para toluidine appears as white lustrous plates or leaflets with an amine odour at room temperature. It melts at 430C.
Is p-toluidine soluble in HCl?
When I performed this experiment, it did not dissolve. p-toluidine is a very stable molecule, it is also non-polar due to its benzene ring structure. I have a phD in chemistry and have done many similar experiments Dr.Dicks When I performed ths experiment, it dissolved. Since p-toluidine has a basic functional group, it dissolves in the strong acid, HCl. Dr. Horton Ab Ripper X everyday, keeps the doctors away! Unless you get a cardial failure or asthma of course
Is p-toluidine and organic compound?
Yes, it contains C and H atoms, as well as the organic NH2 functional group.
Is o-toluidine soluble in NaOH?
no it is not. the molecule does not react with the (polar) water molecule, and when NaOH is added the Na and OH dont react with NH2 either (a major functional group on the toluidine molecule) it is not soluble in water either, but when acid is added the NH2 group becomes NH3 and (due to its ionic nature) dissolves.
What has the author Howard Haines Higbee written?
Howard Haines Higbee has written: 'The double halides of antimony with aniline and the toluidines' -- subject(s): Accessible book, Antimony, Toluidine, Aniline
What are examples of the red pigments?
Iron oxide (ferric oxide) is the only red pigment I can think of. There are also a whole range of synthetic red organic pigments. Toluidine Red is one such example
What are some nine letter words with 1st letter T and 6th letter D and 7th letter I and 8th letter N?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern T----DIN-. That is, nine letter words with 1st letter T and 6th letter D and 7th letter I and 8th letter N. In alphabetical order, they are: threading thridding thymidine toluidine toluidins
