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

Discuss the various annealing processes, Explain objectives of annealing? D...

Explain objectives of annealing? Discuss the various annealing processes? Is spheroidising different from annealing? Illustrate. A  slow  cooling  rate  from  eutectoid  tempe

THIRD LAW OF CHEMIICAL COMBINATION, COMPOUNDS A AND B CONTAIN COPPER AND SU...

COMPOUNDS A AND B CONTAIN COPPER AND SULPHUR.EACH CONTAINS 20% AND 33.33% EACH BY MASS OF SULPHUR RESPECTIVELY.FIND THE RATIO OF THE ELEMENTS USING THE THIRD LAW OF CHEMICAL COMBIN

Write the structure of teflon, Write the structures of monomers used in the...

Write the structures of monomers used in the preparation of: a. Teflon b. PMMA

The band model, The band model of solids is an extended of the molecular or...

The band model of solids is an extended of the molecular orbital (MO) method. The overlap of atomic orbitals in an extended solid produces rise to continuous bands of electronic en

Describe the phases present in the equilibrium system, Describe the phases ...

Describe the phases present in the equilibrium system? Suppose the system contains 36.0 g (2.00mol) H 2 O and 58.4 g (1.00mol) NaCl at 25°C and 1 bar. Table: Aqueous solub

#title.REACTIONA KINETICS, HOW MANY HALF LIVES ARE REQUIRED FOR THE CONCENT...

HOW MANY HALF LIVES ARE REQUIRED FOR THE CONCENTRATION OF REACTANT TO DECREASE BY 1.56 PERCENT OF ITS ORIGINAL VALUE

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