Questions
Statement I : Boric acid burnt with ethyl alcohol in green edged flame.
Statement II : Boric acid when burnt with ethyl alcohol it forms tri ethyl orthoborate.
detailed solution
Correct option is A
ORWhen ortho boric acid is burnt with ethyl alcohol in presence of Conc H2SO4 gives triethyl ortho borate.When the vapours of triethyl borate ignited burn with a green edged flame.The green edged flame is due to the combustion of ethyl borate.This test is used to detect the borates and boric acid in qualitative analysis.Similar Questions
Borax is used as a cleansing agent because on dissolving in water, it gives:
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