Question

`{:("Column I","Column II"),((A)H_(3)PO_(3)overset(Delta)to,(p)"One of the products acts as a reducing agent"),((B)PCl_(3)+H_(2)Ooverset(Delta)to,(q)"One of the products is a tribasic non-reducing acid."),((C)N_(2)+H_(2)Oto,(r)"Dehydration"),((D)HNO_(3)+P_(4)O_(10)overset(Delta)to,(s)"In one of the products , central atom has +5 oxidations state."):}`

Answer 1

Correct Answer - `A-p,q,s;C-p,s;D-r,x`
`4H_(3)PO_(3)overset(Delta)toH_(3)overset(+5)PO_(4)+underset("Reducing agent")(overset(-3)PH_(3))" "or3NO_(2)+H_(2)Otounderset("Reducing agent")(NO)+2Hoverset(+5)NO_(3)`
`PCl_(3)+3H_(2)Ooverset(Delta)tounderset("Reducing agent")(H_(3)PO_(3))+3HCl" "4HNO_(3)+P_(4)O_(10)overset(Delta)to2N_(2)overset(+5)O_(5)+4Hoverset(+5)PO_(3)`