Questions
Boric acid when burnt with ethyl alcohol gives a green edged flame due to the combustion of
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By Expert Faculty of Sri Chaitanya
a
boric anhydride
b
metaboric acid
c
ethyl borate
d
orthoboric acid
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Correct option is C
When 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
Which of the following oxides is acidic in nature ?
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