When $S O_{2}$ gas is passed through solution of colemanite solution in boiling water, which product is formed?

Borax

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Boric acid

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Meta boric acid

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None of these

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Solution

The correct option is B Boric acid
When $S O_{2}$ gas is passed through solution of colemanite( $C a_{2} B_{6} O_{1} 1$ ) solution in boiling water It produces boric acid ( $H_{3} B O_{3}$ ) and other by products.
$C a_{2} B_{6} O_{11} + 2 S O_{2} + 9 H_{2} O ⟶ 2 C a S O_{3} + 6 H_{3} B O_{3}$
Hence option B is correct.

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Similar questions

What happens when SO₂ gas is passed through a potassium dichromate solution?

(C a_{2} B_{6} O_{11})

S O_{2}

SO₂ when passed through water forms a solution of :

S O_{2}

H_{2} S

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