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

Acetic acid heat value, calculate the enthalpy of combustion for acetic aci...

calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation

The maximum number of electrons in an orbital, Which of the following princ...

Which of the following principles/rules limits the maximum number of electrons in an orbital to two: (1)  Aufbau principle (2) Pauli's exclusion principle (3) Hund's rule

Solute standard state based on mole fraction, Q. For a solution process in ...

Q. For a solution process in which species B is transferred from a gas phase to a liquid solution, find the relation between Δ sol G 0 (solute standard state based on mole fracti

.asignment, carbolic acid from benzene

carbolic acid from benzene

The correct sets of the four quantum numbers 4d electron, Which of the fol...

Which of the following represents the correct sets of the four quantum numbers of a 4d  electron: (1)  4,3,2,1/2                        (2) 4, 2, 1, 0 (3)  4,3,-2+1/2

What are the values of c and f in systems, Q. What are the values of C and ...

Q. What are the values of C and F in systems consisting of solid AgCl in equilibrium with an aqueous phase containing H 2 O, AgC(aq), Cl(aq), NaC(aq), and NO 3 (aq) prepared in th

Describe what you understand by elasticity, Question: (a) Explain why m...

Question: (a) Explain why metals are mostly ductile and ceramics brittle at room temperature. (b) Describe what you understand by the following terms. Use appropriate il

Biosorption of dyes, biosorption of methylene blue dye using acid treated m...

biosorption of methylene blue dye using acid treated mango leaf powder

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