Borax bead test - chemical analysis, Chemistry

Assignment Help:

Borax bead test : The transparent glassy bead while heated along with inorganic salt and the colour produced gives some idea of cation present in it.

Table:

Colour of bead in oxidising flame

Colour of bead in reducing flame

Basic radical present

Greenish when hot, blue in cold.

Red and opaque

Cu

Dark green in hot and cold

Same

Cr

Deep - blue

Deep blue

Co

Yellow when hot

Green

Fe

Violet in hot and cold

Colourless

Mn

Brown in cold

Grey or black or opaque

Ni


Related Discussions:- Borax bead test - chemical analysis

Explain the preparation of chemical reagents, Preparation of chemical reage...

Preparation of chemical reagents I. Purpose of the Experiment A reagent is any substance in a chemical reaction. Different reagents are used for laboratory experiments

Explain about structural isomerism, Q. Explain about Structural Isomerism? ...

Q. Explain about Structural Isomerism? When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multi

Burgers vector in screw dislocation, Burgers vector in screw dislocation ...

Burgers vector in screw dislocation The  Burgers vector, often signified by  b, is a vector that shows the magnitude and direction of the lattice distortion of dislocation in a

Electrodes, what types of electrodes use in physical chemistry

what types of electrodes use in physical chemistry

Homologous, what do you mean by homologous series .

what do you mean by homologous series .

PH value, how to calculate pH value?

how to calculate pH value?

Manufacture of acetic acid - quick vinegar process, Manufacture of acetic a...

Manufacture of acetic acid - Quick vinegar process (a) From ethyl alcohol (Quick vinegar process): Vinegar is 6-10% aqueous solution of acetic acid. It is acquired by fermen

Explain tempering, Tempering is a heat treatment method for metals and all...

Tempering is a heat treatment method for metals and alloys. In steels, tempering is completed to "toughen" the metal by transforming brittle marten site into bainite or a combinat

General organic chemistry, General Organic Chemistry Carbon is an neces...

General Organic Chemistry Carbon is an necessary element of organic substance; it has four electrons in its outer most shell. As per to the ground state electronic arrangeme

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