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

Basic structure of polymers, Q.Illustrate the Basic structure of polymers? ...

Q.Illustrate the Basic structure of polymers? Ans. Polymers are large organic compounds made of regularly repeating units. Plastics are made of polymers. Polymers ar

Periodic table, lithium and beryllium markedly differ from other members of...

lithium and beryllium markedly differ from other members of their respective groups.

What is diborane, Q. What is Diborane? The chemistry of diborane has ar...

Q. What is Diborane? The chemistry of diborane has aroused considerable interest because of its usefulness in many synthetic reactions and also because the elucidation of its s

thermodynamics , thermodynamics help to be a good chemis

thermodynamics help to be a good chemist

Oxoacids, examples of oxoacids and their definitions

examples of oxoacids and their definitions

Nitrogenous base - composition of nucleic acids, Nitrogenous base: Thes...

Nitrogenous base: These are heterocyclic organic compound that comprise two or more nitrogen atoms in ring skeleton. These are called bases as the lone pairs of electrons on th

What do you mean by acid value and free fatty acids, Q. What do you mean by...

Q. What do you mean by Acid Value and Free Fatty Acids? Acid value is a measure of hydrolytic rancidity present in the sample of oil/fat. It reflects the state of freshness o

Nucleophilic replacement reactions, Nucleophilic Replacement Reactions ...

Nucleophilic Replacement Reactions  (i) Several replacement reactions, majorly at the saturated carbon atom in aliphatic compounds like alkyl halides, are brought about by nucl

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