H3BO3T1−→XT2−→Yredhot−−−−→B2O3 if T1<T2then X and Y respectively are :
A
X=Metaboric acid and Y= Tetraboric acid
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B
X=Tetraboric acid and Y= Metaboric acid
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C
X=Borax and Y= Metaboric acid
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D
X=Tetraboric acid and Y= Borax
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Solution
The correct option is A X=Metaboric acid and Y= Tetraboric acid H3BO3100oC−−−→HBO2160oC−−−→H2B4O7redhot−−−−→B2O3 X is HBO2 which is metaboric acid and Y is H2B4O7 which is tetraboric acid.