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

S block, #bonding in KO2question..

#bonding in KO2question..

The atomic number of an element is always equal to, The atomic number of an...

The atomic number of an element is always equal to: (1)Atomic weight divided by 2    (2)Number of neutrons in the nucleus   (3)Weight of the nucleus   (4)Electrical ch

Molarity & normality, what is the difference between molarity and normality...

what is the difference between molarity and normality

Ammonical smell, how can we identify the ammonical smell and punjent smell?...

how can we identify the ammonical smell and punjent smell?

Rayon - semi synthetic polymers, Rayon - Semi Synthetic Polymers Rayon ...

Rayon - Semi Synthetic Polymers Rayon is a man made material which contains purified cellulose in the type of long fibres. Cellulose is reacted along with cold NaOH solution to

Chemical methods - purification of organic compounds, Chemical methods - Pu...

Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.

Define the phenomenon resonance, When a molecule is shown by two or more ne...

When a molecule is shown by two or more nearly equal structures, which vary in the arrangement of electrons, then the molecule is said to exhibit resonance.

Electron to complete one revolution in orbit of hydrogen, Time taken for an...

Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh         (2)  nh/ 4Π 2 mr          (3) nh/ 4Π 2 mr 2

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