1.

PCl_(5) +SO_(2) rarr A+B A overset(3H_(2)O)rarrHCl C overset("Red hot")rarrD +H_(2)O Compound 'B' is

Answer»

`SOCl_2`
`SO_2Cl_2`
`POCl_3`
`PCl_3`

Solution :`PCl_(5)+SO_(2)rarrunderset(A)(PCl_3)+underset(B)(SO_2Cl_2)underset(A)(" "PCl_3)+3H_2Orarrunderset(C)(H_3PO_3)+3HCl`
`underset(C)(2H_3PO_3)OVERSET("Red hot")rarrunderset(P_4O_6)underset(DARR"Dimerises")(P_2O_3)+3H_2O" "2PCl_(5)hArrPCl_4^(+)+PCl_6^(-)`


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