Sulphuryl chloride, `SO_(2)Cl_(2)`, reacts with `H_(2)O` to give mixture of `H_(2)SO_(4)` and HCl. Aqueous solution of 1 mol `SO_(2)Cl_(2)` will be neutralised by

Options

A. 3 moles of NaOH
B. 2 moles of `Ca(OH)_(2)`
C. Both (A) and (B)
D. None of these

Answer

B

Explanation

`underset(1mol)(SO_(2)Cl_(2))+underset(2mol)(2H_(2)O)tounderset(1mol)(H_(2)SO_(4))+underset(2mol)(2HCl)`
`underset(1mol)(H_(2)SO_(4))+underset(2mol)(2NaOH)toNa_(2)SO_(4)+H_(2)O`
`underset(1mol)(HCl)+underset(1mol)(NaOH)toNaCl+H_(2)xx2`
`:.` 1 mol of `SO_(2)Cl_(2)` in aq. solution requires
4 mol of NaOH or 2 mol of `Ca(OH)_(2)`