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

The value of azimuthal quantum number, When the value of azimuthal quantum ...

When the value of azimuthal quantum number is 3, magnetic quantum number can have values: (1) + 1, 0, - 1           (2) + 2, + 1, 0, - 1, - 2  (3) - 3, - 2, - 1, - 0, + 1

How can we obtain pure alumina, Q. How can we obtain Pure alumina? Pure...

Q. How can we obtain Pure alumina? Pure alumina is obtained from bauxite ore. Powdered bauxite mineral is heated in a concentrated solution of sodium hydroxide under pressure w

Mg+ configuration, 1s 2 , 2s 2 , 2p 6 3s 1 shows configuration of: (1...

1s 2 , 2s 2 , 2p 6 3s 1 shows configuration of: (1) Al 3+   in ground state (2) Ne in excited state  (3) Mg + in excited state   (4) None of these Ans:  Mg + in

Acidity, A sample of water collected in the field had a pH of 6.8. By the ...

A sample of water collected in the field had a pH of 6.8. By the time it was analyzed in the lab, the pH had decreased to 6.0. Give a possible explanation.

Period tabel, why are lanthanides and actinides called innertransition meta...

why are lanthanides and actinides called innertransition metals

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