When SO2 gas is passed through an aqueous solution of Na2S a product (X) is formed. The (X) can also be obtained

By adding calculated amount of iodine to a mixture of Na 2 S and Na 2 SO 3 , By passing SO 2 gas through an aqueous solution of Na 2 SO 3 containing sulphur , By boiling sodium sulphite with flowers of sulphur , By boiling sulphur with NaOH

When SO2 gas is passed through an aqueous solution of Na2S a product (X) is formed. The (X) can also be obtained

3 SO 2 + 2 Na 2 S → 2 Na 2 S 2 O 3 + S Na 2 S O 3 + SO 2 + S → Na 2 S 2 O 3 + 3 H 2 O

By adding calculated amount of iodine to a mixture of Na 2 S and Na 2 SO 3

By passing SO 2 gas through an aqueous solution of Na 2 SO 3 containing sulphur

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When SO₂ gas is passed through an aqueous solution of Na₂S a product (X) is formed. The (X) can also be obtained

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By adding calculated amount of iodine to a mixture of Na₂S and Na₂SO₃

By passing SO₂ gas through an aqueous solution of Na₂SO₃ containing sulphur

By boiling sodium sulphite with flowers of sulphur

By boiling sulphur with NaOH

answer is A, B, C, D.

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Detailed Solution

$3 {SO}_{2} + 2 {Na}_{2} S \to 2 {Na}_{2} S_{2} O_{3} + S {Na}_{2} S O_{3} + {SO}_{2} + S \to {Na}_{2} S_{2} O_{3} + 3 H_{2} O$

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