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

Molar conductivity, Molar conductivity: The rate of charge transfer is ...

Molar conductivity: The rate of charge transfer is proportional to the number of ions in the solution between the plates, which itself will vary with the concentration, c, of

State differences between primitive cells and unit cells, What are similar...

What are similarities and differences of primitive cells and unit cells?  Ans:  Unit  cell  is  the  basic  building  block  of  a  crystal,  repeated  infinitely  in  three d

What mass of sodium chloride is produced in the reaction, A reaction among ...

A reaction among sodium hydroxide and hydrogen chloride gas produces sodium chloride and water and a reaction of 22.85g of sodium hydroxide with 20.82g of hydrogen chloride gives o

Calculate the difference between the fugacity, Calculate the difference bet...

Calculate the difference between the fugacity? The pressure in a liquid droplet of radius r is greater than the pressure of the surrounding equilibrated gas phase by a quantity

Explain four applications of adsorption, a. How can a colloidal solution an...

a. How can a colloidal solution and true solution of the similar colour be distinguished from each other? b. Give four applications of adsorption

Show the halides of aluminium, Q. Show the Halides of Aluminium? All th...

Q. Show the Halides of Aluminium? All the four trihalides of aluminium, i.e. AIF 3 , AICI 3 ,, AlBr 3 , and AlI 3 , are known. AIF 3 ,  is made by treating Al 2 0 3 with HF ga

Chain growth or addition polymerisation, Chain growth or addition polymeris...

Chain growth or addition polymerisation It includes a series of reaction each of which consumes a reactive particle and generates another similar one.  The reactive molecule m

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