The 'set up', used in the laboratory, to collect sulphur dioxide, is that shown in figure :

(1) I
(2) II
(3) III
(4) IV

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Solution

SO₂gas is sparingly soluble in water; when SO₂ gas is passed in water, it is converted to H₂SO₃.
${SO}_{2} (g) + H_{2} O (l) \to H_{2} {SO}_{3} (aq)$

Hence, the correct answer is option 3.

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The 'set up', used in the laboratory, to collect sulphur dioxide, is that shown in figure : (1) I (2) II (3) III (4) IV

SO2 gas is sparingly soluble in water; when SO2 gas is passed in water, it is converted to H2SO3. SO2(g) + H2O(l)→H2SO3(aq) Hence, the correct answer is option 3.

The 'set up', used in the laboratory, to collect sulphur dioxide, is that shown in figure :

(1) I
(2) II
(3) III
(4) IV

SO₂gas is sparingly soluble in water; when SO₂ gas is passed in water, it is converted to H₂SO₃.
${SO}_{2} (g) + H_{2} O (l) \to H_{2} {SO}_{3} (aq)$

Hence, the correct answer is option 3.