$H_3BO_3$ $\xrightarrow{{{T_1}}}X\xrightarrow{{{T_2}}}Y\xrightarrow{{red\,hot}}$ $B_2O_3$

if $T_1 < T_2$ then $X$ and $Y$ respectively are

  • A

    $X =$ Metaboric acid and $Y =$ Tetraboric acid

  • B

    $X =$ Tetraboric acid and $Y =$ Metaboric acid

  • C

    $X =$ Borax and $Y =$ Metaboric acid

  • D

    $X =$ Tetraboric acid and $Y =$ Borax

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