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

Electron pair bonds-lewis and valence structures, A single covalent bond is...

A single covalent bond is build when two atoms share a pair of electrons. Triple and double bonds can be formed when two or three such pairs are shared. A Lewis structure is a repr

explain, #vescosity and viscosity inde

#vescosity and viscosity index

Determine temperature of flue gases, A heat recovery device involves transf...

A heat recovery device involves transferring energy from hot flue gases passing counter currently through an annular region to pressurized water flowing through the inner tube of t

VBT AND VSEPR, Ask question #LIMITATIONS OF VBT AND VSEPR

Ask question #LIMITATIONS OF VBT AND VSEPR

Uses of acetylene - hydrocarbon, Uses of Acetylene (a) Acetylene is uti...

Uses of Acetylene (a) Acetylene is utilized as an illuminant. (b) It is utilized for the production of oxy-acetylene flame. The high temperature of the flame is above. Is ut

The specific charge of proton & then for an a-particle, The specific charg...

The specific charge of proton is  9.6 X 10 6 CKG -1   then for an α-particle it will be : (1) 38.4X 10 7 Ckg -1           (2)  19.2x 10 7 Ckg -1         (3) 2.4 x 10

Oxidation - reduction reactions, Iodine is used as an antiseptic treatment,...

Iodine is used as an antiseptic treatment, but it can be poisonous if taken internally! Be sure that the solution is handled with care, and avoid all direct contact with the soluti

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