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

Covalent bond and ionic bond, why water molecule forms covalent bond even t...

why water molecule forms covalent bond even though it dissociates into ions

Plunck''s quantum theory of radiation, which of the following is not a char...

which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e

Electrogravimetry, what are some instruments used in electrogravimetry?

what are some instruments used in electrogravimetry?

NUMERICAL, NUMERICAL OF KOHLRAUSCH LAW ON CONDUCTIVITY

NUMERICAL OF KOHLRAUSCH LAW ON CONDUCTIVITY

Sodium atom the number of electrons, For sodium atom the number of electron...

For sodium atom the number of electrons with m=0 will be: (1) 2        (2) 27      (3) 9          (4) 8 Ans: 7

Preparation of hot souffle?, Q. Preparation of hot souffle ? i) Melt 1...

Q. Preparation of hot souffle ? i) Melt 12 g butter in a saucepan. Add 12 g flour and stir cook for 1-2 minutes. ii) Gradually add ¼ cup of scalded milk stirring continuou

Characteristics of drinking water, Q.   What are the characteristics of dri...

Q.   What are the characteristics of drinking water?  Sol. Characteristics of drinking water: (1)         It should be colourless and odourless. (2)         It s

Atomic absorption spectrophotometry, Atomic absorption spectrophotometry: ...

Atomic absorption spectrophotometry: Atomic absorption spectrophotometry (AAS) concerns the absorption of radiation by the atomised analyte element in the ground state. The at

Antiknock compounds - characteristics of hydrocarbons, Antiknock Compounds ...

Antiknock Compounds - Characteristics of Hydrocarbons To decrease the knocking property or to enhance the octane number of a fuel certain chemicals are included in it. These ar

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