State True or False.
(B) is $(C H_{3} O)_{3} B$ :

True

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False

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Solution

The correct option is A True
(A) is $H_{3} B O_{3}$ and (B) is methyl borate, $(C H_{3})_{3}; B O_{3}$ which burns with green edged flame.
$N a_{2} B_{4} O_{7} . 10 H_{2} O + c o n c . H_{2} S O_{4} △ ⟶ H_{3} B O_{3} (A) C H_{3} O H, △ ⟶ (C H_{3})_{3} B O_{3} B$

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