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

What are trioxides, Q. What are Trioxides? The selenium and tellurium t...

Q. What are Trioxides? The selenium and tellurium trioxides are not stable, SO 2 , is the only important trioxide in the group. Its preparation has been described above. Sul

Define why the glocose and fructose form the same osazone, Glucose and fruc...

Glucose and fructose are epimers so they are differ in their second carbon position and remaining is same so when they react with phenylhydrazeen they give same osazone

Explain the following, Lithium and beryllium markedly differ from other mem...

Lithium and beryllium markedly differ from other members of their respective groups? Read more: http://wiki.answers.com/Q/Lithium_and_beryllium_markedly_differ_from_other_members

What is the mechanism of e1cb?, E1cb means elimination, unimolecular, of th...

E1cb means elimination, unimolecular, of the conjugate base. This type elimination proceeds through the carbanion mechanism. An carbon compound, acting as an acid, is attacked by

EQUIVALENT WEIGHT, WHAT IS THE EQUIVALENT WEIGHT OF Mg(HCO3)2

WHAT IS THE EQUIVALENT WEIGHT OF Mg(HCO3)2

The electronic configuration of element with atomic number, The electronic ...

The electronic configuration of element with atomic number 24 is : (1) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2       (2) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10         (3)

Which one of the following is not isoelectronic with o2, Which one of the f...

Which one of the following is not isoelectronic with O 2- : (1) N- 3                    (2) F -         (3) Tl +                   (4) Na + Ans: Tl +

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