1.

P_(4)overset(Ba(OH)_(2))underset(Delta)(to)underset("salt")(X) + underset("gas")(Y) uarr Xoverset("dil." H_2SO_4)rarrZdarr+underset("acid")W Which statment is correct ?

Answer»

The anion of salt 'X' cannot have a LEWIS base
Gas 'Y' is a better than `NH_3`
W' is tribasic acid
OXIDATION state of 'P' in 'X' is + 3

SOLUTION :`P_(4)+3Ba(OH)_2+6H_(2)Orarr3Baunderset(X)((H_2PO)_2)+underset(Y)(2PH_3uarr)Baunderset(X)(H_2PO_2)+underset("dil")(H_2SO_(4))rarrunderset(Z)(BaSO_4darr)+underset(W)(H_3PO_2)`
`H_(2)PO_(2)^(-)` Anion of SALF .X. No Lone pairs on phosphorous - so not a lewi.s base


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