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Which of the following is metaboric acid ?

$\begin {array} {1 1} (A)\;HBO_2 & \quad (B)\;H_3BO_3 \\ (C)\;H_2B_4O_7 & \quad (D)\;B_2O_3 \end {array}$

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Metaboric acid is formed by heating of boric acid. $H_3BO_3 \large\frac{375k}{-H_2O} $$ HBO_2$
Hence option (A) is the correct answer.
$HBO_2$
answered Jul 25, 2014 by thanvigandhi_1
edited Jul 28, 2014 by thanvigandhi_1
 
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