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Sulfuryl chloride (SO2Cl2) reacts with water to give a mixture of H2S4 and HCl. How many moles of baryta would be required to neutralize the solution formed by adding 4 mole of SO2Cl2 to excess of water?

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Sulfuryl chloride (SO2Cl2) reacts with water to give a mixture of H2S4 and HCl. How many moles of baryta would be required to neutralize the solution formed by adding 4 mole of SO2Cl2 to excess of water?

(a) 1

(b) 2

(c) 3

(d) 4

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Correct answer: (b) 2

Explanation:

SO2Cl2 + 2H2O → H2S4 + 2HCl

H2SO4 + Ba(OH)2 → BaSO4 + 2H2O

2HCl + Ba(OH)2 → BaCl2 + 2H2O

Total moles of Ba(OH)2 required = 2

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