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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
The hybradization state of the Fe among [Fe(CN)6]3-,[Fe(CO)5] and [Fe(H2O)6]2+ is Ans) D2SP3,DSP3,SP3D2
Q. Show the Reactions of Boric Oxide? Boric oxide, B 2 0 3 , is the principal oxide of boron. It is also known as boron trioxide, boron sesquioxide and boric anhydride. It is p
Scale up At this phase, sensory analysis consists of tests that compare the production samples with the optimized product. Depending on the resources available, either consume
What is electromeyric effect
Nucleophilic addition reactions (i) Carbonyl compounds give nucleophilic addition reaction along with those reagents which on dissociation give electrophile also nucleophile.
The combustion of propane occurs via the reaction: C3H8(g)+5O2(g)-->3C02(g)+4H2O(g) Hoe many grams of oxygen are required to burn completely 10.0g of propane?
Preparation of dihydric alcohols
hoe to find electronic configuration of elements
how can i make an assignment on this topic?
Q. Objectives of transition elements of the f-block? After studying this unit you should be able to: distinguish between transition and inner-transition elements, d
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