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Electrophilic Substitution Reactions of Haloarenes

Treatment of ...

Question

Treatment of concentrated solution of borax with calculated quantity of H2SO4 gives-

A

$HBO_2$

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B

$H_2B_4O_7$

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C

$H_3BO_3$

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D

$B_2O_3$

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Solution

The correct option is C
$H_3BO_3$

$N a_{2} B_{4} O_{7} + H_{2} S O_{4} + 5 H_{2} O \to N a_{2} S O_{4} + 4 H_{3} B O_{3}$

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Electrophilic Substitution Reactions of Haloarenes

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